Updated, thanks @bobyoung53 , @dxb , @Russell L , @TrevorR

CURRENT LIST:
4 STRINGS
Alembic Classic: 1.75" (44.5mm)
Alembic Comfort: 1.625" (41.3mm)
Alembic Slender: 1.5" (38mm)
Alleva RA 4 string: 1.5" (38mm)
Andrew Drake "Wilma" - 1.653" (42mm)
Aria A-200 - 1.44" (36.6mm)
Aria Rock 'n' Roller 4001 - 1.59" (40.5mm)
Aria SB700 - 1.811" (46mm)
Aslin Dane Jazz Copy - 1.62" (41.3mm)
BC Rich Warlock Platinum Series - 1.65" (42mm)
Carvin LB70 - 1.54" (39.1mm)
Cort C4H (<2009) - 1.57" (40mm)
Cort C4H (>2010) - 1.5" (38mm)
Danelectro 63 RI (MIK) - 1.625" (41.3mm)
Dean USA Hillsboro - 1.5" (38mm)
Eastwood Classic 4 - 1.5" (38mm)
Eastwood HiFlyer - 1.86" (47mm)
EBMM Bongo 4 - 1.625" (41.3 mm)
EBMM Ray 34 - 1.69" (43mm)
EBMM Sig.4 - 1.5" (38mm)
EBMM Sterling - 1.5" (38mm)
EBMM Stingray - 1.625" (41.3mm)
EBMM StingRay (1995) - 1.69" (42.9mm)
EBMM Stingray SLO - 1.5" (38mm)
EPI LTD Explorer = 1.662" (42.2mm)
Epiphone EB-0 - 1.5" (38mm)
Epiphone Jack Casady Signature - 1.65" (42mm)
Epiphone Thunderberd IV - 1.75" (44.5mm)
Epiphone Thunderbird pro-IV - 1.5" (38mm)
Epiphone Thunderbird (all 4 strings) - 1.5" (38mm)
Epiphone Toby Deluxe IV - 1.68" (42.67mm)
Epiphone Toby STandard IV - 1.68" (42.67mm)
ESP B-4 - 1.57" (40mm)
ESP D-4 - 1.57" (40mm)
ESP LTD B-154DX - 1.57" (40mm)
ESP LTD B204SM - 1.57" (40mm)
ESP LTD B-4E - 1.65" (42mm)
ESP LTD EC-104 - 1.57" (40mm)
ESP LTD F-414FM - 1.65" (42mm)
ESP LTD FB-4 Frank Bello - 1.65" (42mm)
ESP LTD GC-4 - 1.57" (40mm)
ESP LTD PT-4 Pancho Tomaseli - 1.77" (45mm)
ESP LTD Vintage-204 - 1.65" (42mm)
Faith Titan Neptune ABG - 1.673" (42.5mm)
Fender 56 Precision - 1.73" (43.9mm)
Fender 59 Precision - 1.71" (43.5mm)
Fender 60 Classic Jazz - 1.5" (38mm)
Fender 62RI Jazz - 1.5" (38mm)
Fender 64 Jazz - 1.5" (38mm)
Fender 67 Precision - 1.625" (41mm)
Fender 68 Telecaster - 1.75" (44.5mm)
Fender 69 Telecaster - 1.81" (45.9mm)
Fender 70 Classic Jazz - 1.5" (38mm)
Fender 70s Precision - 1.62" (41.3mm)
Fender 73 Precision (B Neck) - 1.64" (41.7mm)
Fender 82 Fullerton 57 Precision RI - 1.78" (45.2mm)
Fender '82 MIA Bullet B30 - 1.625" (41.3mm)
Fender Aerodyne Jazz - 1.5" (38mm)
Fender American Deluxe Jazz - 1.5" (38mm)
Fender American Deluxe P-Bass - 1.62" (41.3mm)
Fender American Hot Rod Precision '99 - 1.644" (41.8mm)
Fender American Special Jazz - 1.5" (38mm)
Fender American Special P-Bass - 1.69" (43mm)
Fender American Standard (1st version) '88-'94 - 1.5" (38mm)
Fender Antigua Precision - 1.62" (41.3mm)
Fender AVRI '57 & '62 P-bass - 1.75" (44.5mm)
Fender BG29 Bass - 1,70" (43.2mm)
Fender Blacktop Jazz - 1.5" (38mm)
Fender Blacktop Precision - 1.62" (41.3mm)
Fender Cabronita Precision (MIM) = 1.65” (42mm)
Fender Coronado (New) - 1.625" (41.3 mm)
Fender Coronado (vintage) - 1.5" (38mm)
Fender Custom Shop '59 NOS P - 1.75" (44.5mm)
Fender Custom Shop '64 Jazz Bass (NOS) - 1.5" (38mm)
Fender Custom Shop Jazz - 1.5" (38mm)
Fender Dimension - 1.5625" (39.6mm)
Fender Duff McKagan P-Bass - 1.62" (41.3mm)
Fender FR 51 Resonator Bass - 1.69" (43mm)
Fender Geddy Lee Jazz Bass (CIJ) - 1.5" (38mm)
Fender Geddy Lee USA Jazz = 1.55" (39.4mm)
Fender HM - 1.5" (38mm)
Fender Jazz Bass (original) - 1.437" (36.5mm)
Fender Jazz Plus '90-'94 - 1.5" (38mm)
Fender Jazz Special (mid 80's MIJ) - 1.5" (38mm)
Fender Jazz Special (1987) - 1.528" (38.8mm)
Fender Japan PJM-65R "Jazz Special" (1985) - 1.515" (38.5mm)
Fender Kingman AB - 1.5" (38mm)
Fender Limited Geddy Lee 1972 Jazz - 1.5" (38mm)
Fender Limited Gold Top Dusty Hill Precision - 1.5" (38mm)
Fender Mark Hoppus Jazz - 1.62" (41.3mm)
Fender Mike Dirnt Road Worn Precision - 1.59" (40.4mm)
Fender Modern Player Dimension - 1.5" (38mm)
Fender Modern Player Jaguar - 1.5" (38mm)
Fender Modern Player Jazz - 1.5" (38mm)
Fender Modern Player Jazz Satin - 1.5" (38mm)
Fender Modern Player Tele Bass - 1.62" (41.3mm)
Fender Musicmaster Bass (1st version) - 1.625" (41.3mm)
Fender Musicmaster Bass 1976 - 1.59" (40.4mm)
Fender Mustang Bass RI MIJ 2006 - 1.5" (38mm)
Fender Precision Bass Special Deluxe Series - 1.5" (38mm)
Fender Precision Elite - 1.75" (44.5mm)
Fender Precision LYTE Deluxe - 1.50" (38mm)
Fender Reggie Hamilton Jazz - 1.5" (38mm)
Fender Road Worn 50 P-Bass - 1.75" (44.5mm)
Fender Roger Waters Precision - 1.75" (44.5mm)
Fender Sean Hurley Signature 1961 Precision - 1.75" (44.45mm)
Fender Select Jazz - 1.5" (38mm)
Fender Select Precision - 1.62" (41.3mm)
Fender Standard Jazz - 1.5" (38mm)
Fender Starcaster (New) - 1.625" (41.3mm)
Fender Steve Harris P-Bass - 1.75" (44.5mm)
Fender Telecaster Bass - 1.75" (44.5mm)
Fender Troy Sanders Jaguar - 1.5" (38mm)
Fender Vintage Hot Rod '60s Precision - 1.625" (41.3mm)
Fender Vintage Hot Rod '70s Jazz - 1.5" (38mm)
G&L 2012 Special M-2000 - 1.75" (44.5mm)
G&L Asat Semi Hollow - 1.5" (38mm)
G&L L1K '81 - 1.703" (43.3mm)
G&L L1000 2014 - 1.709" (43.4mm)
G&L L-2000 - 1.79" (45.5mm)
G&L SB-2T '14 (#7 neck) - 1.718" (43.6mm)
G&L Tribute L-2000 - 1.75" (44.5mm)
G&L Tribute L2000 (2012/13) - 1.692" (43mm)
G&L Tribute JB-2 - 1.5" (38mm)
G&L Tribute SB-2 - 1.5" (38mm)
Gibson EB-2 (vintage) - 1.60" (42mm)
Gibson EB-3 (1965) - 1.69" (43mm)
Gibson EB-3 (1973) - 1.562" (39.7mm)
Gibson Les Paul Oversized - 1.6" (40.6mm)
Gibson SG-Bass - 1.60" (42mm)
Godin Shifter Bass - 1.5" (38,1mm)
Gretsch G2202 Junior Jet - 1.625" (41.3mm)
Gretsch G5440LSB Electromatic - 1.69" (43mm)
Gretsch White Falcon - 1.28" (32.5mm)
Guild Starfire Reissue - 1.5" (38mm)
Harley Benton HBZ-2004 - 1.57" (40mm)
Harley Benton JB-20 Standard - 1.5" (38mm)
Harley Benton PB-20 - 1.65" (42mm)
Harley Benton PB-50 - 1.65" (42mm)
Harley Benton PJ-4 Deluxe - 1.65" (42mm)
Harmony (unknown model 1991) - 1.65" (42mm)
Herby Custom Bass (MIJ. Ric copy 60's/70's) - 1.662" (42.2mm)
Hohner HAB-50 PS ABG - 1.668" (42.4mm)
Höfner 182 - 1.808" (45.9mm)
Hofner 500/1 - 1.65" (42mm)
Hofner Shorty - 1.69" (43mm)
Hondo Longhorn 1181 - 1.5" (38mm)
Ibanez AEB10 - 1.687" (42.84mm)
Ibanez AGB140 - 1.533" (39.4mm)
Ibanez Artcore AGB-200 Shortscale (2011) – 1.65” (42mm)
Ibanez EXB404 - 1.56" (39.6mm)
Ibanez GATK20 (2010-2011) - 1.673" (42.5mm)
Ibanez GSR200fm - 1.5625" (39.7mm)
Ibanez GSRM20 Mikro Bass - 1.5" (38mm)
Ibanez Musician MC-924 (1980) – 1.65” (42mm)
Ibanez Musician MC-940 (1982) – 1.614” (41mm)
Ibanez Roadstar II RB-920 (1983) – 1.575” (40mm)
Ibanez Roadster RS-824 (1981) – 1.594” (40.5mm)
Ibanez Roadster RS-940 (1980) – 1.65” (42mm)
Ibanez SR300 (2010) - 1.5” (38mm)
Ibanez SR4 - 1.5" (38mm)
Ibanez SR500 (2009) - 1.437" (36.5mm)
Ibanez SR500 (2012 approx.) - 1.5" (38mm)
Ibanez SRA500/SRA550 - 1.5" (38mm)
Ibanez SR600 - 1.5" (38mm)
Jack & Danny Jazz Bass - 1.5" (38mm)
Jackson C20 - 1.625" (41.3mm)
Jolana Diamant (Zech. LP) - 1.789" (45.7mm)
Lakland 44-64 Custom - 1.5" (38mm)
Lakland Skyline 44-01 - 1.65" (42mm)
Lakland USA Duck Dunn - 1.5" (38mm)
Mighty mite Jazz replacement neck (maple fingerboard) - 1,5" (38mm)
Mighty mite Precision replacement neck (maple fingerboard) - 1.62" (41,3mm)
Mike Lull P4 w/Jazz neck - 1.5" (38mm)
MTD Kingston Heir - 1.56" (39.6mm)
OLP MM2 (3rd generation, I believe) - 1.69" (43mm)
Peavey Forum P/J (1994) - 1.5" (38.1mm)
Peavey Foundation (1986) - 1.5" (38.1mm)
Peavey Foundation (1991 & 1992) = 1.5" (38mm)
Peavey Fury (1983 - slanted SF) - 1.75" (44.5mm)
Peavey Fury (1987) = 1.5" (38mm)
Peavey Fury (1990 - P) - 1.5" (38.1mm)
Peavey Fury (1991 & 1992) = 1.5" (38mm)
Peavey Milestone III Jazz Bass - 1.5" (38mm)
Peavey Milestone IV P Bass - 1.46" (37mm)
Peavey Millenium BXP Jazz - 1.5" (38mm)
Peavey Patriot (1985) - 1.6875" (42.86mm)
Peavey Patriot (1987) = 1.5" (38mm)
Peavey RJ-IV (1991) - 1.6" (40.6mm)
Peavey Sarzo (US - 1991) - 1.625" (41.3mm)
Peavey T-20 (1982) - 1.6875" (42.86mm)
Peavey T-40 (1979) - 1.6875" (42.86mm)
Peavey Unity (1991 Koa P/J) - 1.6" (40.6mm)
PRS #11 - 1.692" (43mm)
Rickenbacker 4001 (1979) - 1.71" (43.5mm)
Rickenbacker 4001 (1979) - 1.69" (43mm)
Rickenbacker 4001 (March 1973) - 1.625" (41.3mm)
Rickenbacker 4001V63 (April 1998) - 1.718" (43.6mm)
Rickenbacker 4003FL (1985) - 1.625" (41.275mm)
Rickenbacker 4004 Laredo (NAMM Show instrument-December 2011) - 1.687" (42.8mm)
Rick Turner Renaissance RB4FL (2005-NAMM Show instrument) - 1.5" (38mm)
Rob Allen Mouse - 1.653" (42mm)
Roscoe Custom "Birdie" - 1.653" (42mm)
Roscoe Custom "Bucky" - 1.811" (46mm)
Sadowsky Metro RV4-WL - 1.45" (37mm)
Sadowsky NYC J4 - 1.5" (38mm)
Sadowsky NYC Will Lee - 1.45" (37mm)
Schecter Raiden Special 4 - 1.653” (42mm)
Schecter Stiletto Extreme 4 = 1.5" (38mm)
Sire M3 = 1.5" (38mm)
Spector Forte-4 - 1.61" (41mm)
Spector Legend 4 (1st Gen.) - 1.565" (39.75mm)
Spector Legend CLS - 1.5625" (39.7mm)
Spector Legend NS-2 - 1.5" (38mm)
Spector NS-2JA-R - 1.65" (42mm)
Squier Affinity Jazz - 1.5" (38mm)
Squier Affinity P-Bass - 1.62" (41.3mm)
Squier Bronco - 1.62" (41.3mm)
Squier Bronco (20th Anniversary Model) - 1.614" (41mm)
Squier Classic Vibe Jazz - 1.5" (38mm)
Squier Classic Vibe P-Bass 50 - 1.65" (42mm)
Squier Classic Vibe 60s P-Bass - 1.62" (41.3mm)
Squier Dimension - 1.57" (40mm)
Squier Jaguar Short Scale - 1.5" (38mm)
Squier Matt Freeman P-Bass - 1.65" (42mm)
Squier Mike Dirnt Precision - 1.65" (42mm)
Squier Mikey Way Mustang - 1.5" (38mm)
Squier Pro Tone Precision Bass - 1.5" (38mm)
Squier Troy Sanders Jaguar - 1.5" (38mm)
Squier Vintage Modified Cabronita Precision Bass - 1.625" (41.3mm)
Squier Vintage Modified Fretless Jazz - 1.5" (38mm)
Squier Vintage Modified Jaguar "Standard" - 1.5" (38mm)
Squier Vintage Modified Jazz - 1.5" (38mm)
Squier Vintage Modified Jazz '70S - 1.5" (38mm)
Squier Vintage Modified Jazz '77 - 1.5" (38mm)
Squier Vintage Modified Precision - 1.62" (41.1mm)
Squier Vintage Modified Precision Fretless - 1.625" (41.3mm)
Squier Vintage Modified Precision PJ - 1.625" (41.3mm)
Squier Vintage Modified Precision TB - 1.59" (40.5mm)
Squier Vintage Modified Telecaster - 1.732" (44mm)
Squier Vintage Modified Telecaster Bass IV - 1.7" (43.2 mm)
Steinberger XP2 '86 - 1.5" (38mm)
Sterling by Music Man Ray4 - 1.5" (38mm)
Sterling by Music Man SUB SB4 - 1.5" (38mm)
Stu Hamm Urge I (1985) - 1.614" (41mm)
Suhr Classic J - 1.5" (38mm)
SX SBG2 - 1.69" (43mm)
SX SWB1 - 1.5" (38mm)
SX Ursa 1 - 1.625" (42mm)
SX Ursa 1 - 1.687" (43mm)
Takamine B10 - 1.8125" (46mm)
Takamine EG512 - 1.6875" (43mm)
Traben Standard 4 - 1.5" (38mm)
Vantage VA-900B (1981) – 1.59” (40.5mm)
Vantage VA-900B/FL (1981) – 1.59” (40.5mm)
Viola Bass with Variax transplant - 1.712" 43.5mm
Wal Mk 1 Custom Series (Soft V Profile) - 1.625" (42mm)
Wal Pro Series (C Profile) - 1.6875" (43mm)
Warwick Alien - 1.535" (39mm)
Warwick Buzzard - 1.73" (44mm)
Warwick Corvette 4 = 1.5" (38mm)
Warwick Corvette 4 $$ = 1.5" (38mm)
Warwick Dolphin - 1.73" (44mm)
Warwick Rockbass COrvett Short Scale - 1.5" (38mm)
Warwick Streamer 4 = 1.5" (38mm)
Warwick Stryker - 1.73" (44mm)
Warwick "Other 4 Models" - 1.515" (38.5mm)
Warwick Thumb NT4 (2013) - 1.51" (38.4mm)
Washburn SHB40 = 1.65" (42mm)
Washburn T24 = 1.589" (40.4mm)
Yamaha Attitude Standard (1991) = 1.65” (42mm)
Yamaha BB404 - 1.5838" (40.48mm)
Yamaha BB Series (424 to 2024) - 1.57" (40mm)
Yamaha RBX170 = 1.57" (40mm)
Yamaha RBX300 (1990) - 1.57" (40mm)
Yamaha TRBX 504 - 1.5" (38mm)
Zon VB-4 (Vinny) - 1.532" (38.9mm)
5 STRINGS
Alembic Classic - 2.00" (50.8mm)
Alembic Comfort - 1.875" (47.6mm)
Carvin LB75 (1991) - 1.71" (43.5mm)
Conklin Groove Tools GT-5 - 1.751" (44.5mm)
Cort Action V - 1.77" (45mm)
Dean Sledgehammer 5 Ash – 1.75” (44.45mm)
EBMM Stingray 5 - 1.75" (44.45mm)
Epiphone Thunderbird (all 5 strings) 1.73" - (43.94mm)
ESP B55 - 1.692" (43mm)
ESP LTD B-1005 - 1.85" (47mm)
ESP LTD B-105 - 1.77" (45mm)
ESP LTD B-155DX - 1.77" (45mm)
ESP LTD B-335 - 1.77" (45mm)
ESP LTD B-5 JR Junior Black - 1.625" (41.3mm)
ESP LTD B205SM - 1.77" (45mm)
ESP D5 - 1.771" (45mm)
ESP LTD F-105 - 1.77" (45mm)
ESP LTD F-5E - 1.85" (47mm)
ESP Surveyor 5 - 1.5" (38mm)
Fender American Deluxe Jazz V - 1.875" (47.6mm)
Fender Am Std Dimension - 1.75" (44.45mm)
Fender Modern Player Jazz V Satin - 1.875" (47.6mm)
Fender Standard Jazz V - 1.85" (47mm)
G&L L-2500 - 1.75" (44.5mm)
G&L Tribute L-2500 - 1.75" (44.5mm)
Harley Benton B-500 Modern Series - 1.77" (45mm)
Harley Benton HBZ-2005 - 1.77" (45mm)
Harley Benton PJ-5 Deluxe - 1.77 "(45mm)
Ibanez ATK305 ? 1.75? (44.5mm)
Ibanez BTB 675 - 1.85" (47mm)
Ibanez EX (1994) - 1.76" (44.7mm)
Ibanez Gary Willis Signature GWB1 - 1.75" (44.5mm)
Ibanez Gary Willis Signature GWB2 - 1.75" (44.5mm)
Ibanez GSRM25 Mikro Bass 5 - 1.77" (45mm)
Ibanez Sr705 2014 - 1.693" (43mm)
Ibanez SR1205-VNF - 1.77" (45mm)
Ibanez SR5 - 1.77" (45mm)
Lakland 55-94 - 1.80" (45.7mm)
Lightwave Saber SL 5 (fretted) ? 1.75? (44.5mm)
Martin Keith Elfin 5 fretless (2010-NAMM Show instrument) - 1.875" (47.6mm)
Martin Keith Elfin 5 (2011) - 1.875" (47.6mm)
Modulus Bassstar - 1.75" (44.5mm)
Modulus Q5 - 1.85" (47mm)
Modulus Q5W19 - 1.90" (48.26mm)
Modulus Q5W21 - 2.00" (50.8mm)
MPG Level-5 Fretless - 1.81" (45.97mm)
Spector Coda-5DLX/XL - 1.87" (47.6mm)
Spector Coda Pro 5 - 1.75" (44.45mm)
Spector Core 5 - 1.75" (44.45mm)
Spector Euro5LX - 1.85" (46.99mm)
Spector Forte-5 - 1.81" (45.97mm)
Spector Legend Classic-5 - 1.75" (44.45mm)
Spector NS-5 - 1.80" (45.72mm)
Spector NS-5H2 (Wide-5 model) - 1.80" (45.72mm) or 1.88" (47.75mm)
Spector NS-5XL - 1.81" (45.97mm)
Spector Performer 5 - 1.75" (44.45mm)
Spector ReBop-5 - 1.81" (45.97mm)
Squier Affinity Jazz V - 1.87" (47.6mm)
Squier Deluxe Jazz V - 2" (51mm)
Squier Dimension - 1.75" (44.45mm)
Squier Standard P Bass Special 5 - 2.008" (51mm)
Squier Vintage Modified Jazz V - 1.87" (47.6mm)
Sterling by Music Man SUB - 1.77" (45mm)
Sterling by Music Man Ray5 - 1.77" (45mm)
Vintage Modified Precision V - 1.875" (47.6mm)
Steinberger Spirit 5 circa 2010, 1.75" (44.5mm)
Steinberger Synapse - 1.77" (44.96mm) @ 0 fret
Traben Array 5 - 1.78" (45.2mm)
Traben Array Limited - 1.78" (45.2mm)
Traben Chaos Core 5 - 1.78" (45.2mm)
Traben Standard 5 - 1.5" (38mm)
Wal 5-String Mark IIs - 1.85" (47mm)
Wal 5-String Mark IIIs - 1.85" (47mm)
Warwick "All 5 Models" - 1.771" (45mm) or 1.85" (47mm)
Yamaha BB1025 – 1.692” (43mm)
Yamaha BB415 - 1.653" (42mm)
Yamaha BBNE1/BBEAST - 1.875" (47.62mm)
Yamaha TRBX 505 - 1.692" (43mm)
Zon 5/1 (circa 1996) - 1.85" (47mm)
6 STRINGS
Brice Z6 – 2.126” (54mm)
Carvin LB76 - 2.02" (51.3mm)
Harley Benton HBB600TBK - 2.175" (55.2mm)
Harley Benton HBB6000 - 2.095" (53.2mm)
Ibanez BTB 456 – 2.126” (54mm)
Roscoe 3006 - 2.150" (54.61mm)
Squier Vintage Modified Bass VI - 1.65" (42mm)
Tune TWB63WN - 2.291" (58.2mm)
Warwick "All 6 Models" - 2.047" (52mm) or 2.165" (55mm)
Yamaha RBX6JM (2000 mk i) -1.968" 50mm
Yamaha TRB 6II – 2.047” (52mm)
Yamaha TRB JP2 – 2.205” (56mm)
7 STRINGS
Roscoe SKB 3007 - 2.470" (63.14mm)
Wolf WTHB-7W - 2.418" (61.4mm)
Zdressy Fretless (2016) - 2.36" (59.9mm)
8 STRINGS
Ibanez Musician MC-980 (1980) – 1.692” (43mm)