Digi-Key Electronics Datasheets for Locknuts

Locknuts are a type of prevailing-torque fastener that resists loosening under vibration and torque. They differ from standard nuts because they typically have friction-increasing bearing surfaces (e.g., pitted grooves on flanges) or special internal thread-geometries.
Locknuts: Learn more

Product Name Notes
#1/2-14 NPT LOCKNUT
DECO WING NUT, M5 X .8 THREAD, 1
LOCK AND FLANGE NUT, NATURAL, NY
LOCK NUT 0.380" 10-32
LOCK NUT 0.380" 12-24
LOCK NUT 0.380" M6
LOCK NUT 0.669" NYLON M12
LOCK NUT 0.748" NYLON PG7
LOCK NUT 0.866" NYLON M16
LOCK NUT 0.866" NYLON NPT-3/8
LOCK NUT 0.866" NYLON PG9
LOCK NUT 0.866" POLYAMIDE M16
LOCK NUT 0.945" BRASS M20
LOCK NUT 0.945" NYLON PG11
LOCK NUT 1.024" POLYAMIDE M20
LOCK NUT 1.062" NYLON M20
LOCK NUT 1.062" NYLON NPT-1/2
LOCK NUT 1.062" NYLON PG13.5
LOCK NUT 1.142" BRASS M25
LOCK NUT 1.181" NYLON PG16
LOCK NUT 1.260" BRASS PG21
LOCK NUT 1.260" NYLON M25
LOCK NUT 1.260" POLYAMIDE M25
LOCK NUT 1.417" BRASS M32
LOCK NUT 1.417" NYLON NPT-3/4
LOCK NUT 1.614" NYLON M32
LOCK NUT 1.614" POLYAMIDE M32
LOCK NUT 1.653" NYLON NPT-1
LOCK NUT 1.811" BRASS M40
LOCK NUT 1.969" NYLON M40
LOCK NUT 1/2" COPPER ALLOY 3/8
LOCK NUT 11/32" COPPER ALLOY
LOCK NUT 18.0MM POLYAMIDE M12
LOCK NUT 2.362" NYLON PG36
LOCK NUT 22.0MM POLYAMIDE M16
LOCK NUT 26.0MM POLYAMIDE M20
LOCK NUT 3/8" COPPER ALLOY 1/4
LOCK NUT 32.0MM POLYAMIDE M25
LOCK NUT 41.0MM POLYAMIDE M32
LOCK NUT 5/16" COPPER ALLOY 1/4
LOCK NUT 50.0MM POLYAMIDE M40
LOCK NUT 60.0MM POLYAMIDE M50
LOCK NUT 75.0MM POLYAMIDE M63
LOCK NUT 9/16" COPPER ALLOY
LOCK NUT NYLON PG29
LOCKNUT NYLON 1/2" NPT BLK
LOCKNUT NYLON 1/2" NPT GRY
LOCKNUT NYLON 3/4"NPT BLK
LOCKNUT NYLON 3/4"NPT GRY
LOCKNUT NYLON 3/8 NPT BLK
LOCKNUT NYLON M20 GRY
LOCKNUT NYLON M50 GRY
LOCKNUT NYLON PG11 BLK
LOCKNUT NYLON PG13.5 BLK
M12 LOCKNUT BLACKPA
M12 LOCKNUT LT GRAYPA
M16 LOCKNUT BLACKPA
M16 LOCKNUT LT GRAYPA
M20 LOCKNUT BLACKPA
M25 LOCKNUT BLACKPA
M25 LOCKNUT LT GRAYPA
M32 LOCKNUT BLACKPA
M32 LOCKNUT LT GRAYPA
M40 LOCKNUT BLACKPA
M40 LOCKNUT LT GRAYPA
M63 LOCKNUT BLACKPA
M63 LOCKNUT LT GRAYPA
NPT1 LOCKNUTPA BK
NPT1 LOCKNUTPA GRAY
NPT3/8 LOCKNUTPA GRAY
NYLON LOCK NUT 4MM (50-PACK)
PG11 LOCKNUTLT GRAYPA
PG135 LOCKNUTLTGRAYPA
PG16 LOCKNUT BLACKPA
PG21 LOCKNUT BLACKPA
PG21 LOCKNUTLT GRAYPA
PG29 LOCKNUT BLACKPA
PG29 LOCKNUTLT GRAYPA
PG36 LOCKNUTLT GRAYPA
PG42 LOCKNUT BLACKPA
PG42 LOCKNUTLT GRAYPA
PG48 LOCKNUT BLACKPA
PG48 LOCKNUTLT GRAYPA
PG7 LOCKNUT BLACKPA
PG7 LOCKNUTLT GRAYPA
PG9 LOCKNUT BLACKPA
PG9 LOCKNUTLT GRAYPA