5/16HD X 1/4 X 4-40 THD
LOCKNUT NYLON 3/4"NPT BLK
LOCK NUT 1.062" NYLON NPT-1/2
HEX NUT 0.495" BRASS 3/8-32
LOCKNUT NYLON 3/8 NPT BLK
LOCK NUT 1.062" NYLON M20
M20 LOCKNUT BLACKPA
PG7 LOCKNUT BLACKPA
HEX SEAL NUT 15/16" STEEL 5/8-18
HEX SEAL NUT 9/16" STEEL 3/8-24
HEX SEAL NUT 3/4" STEEL 1/2-20
KWIK NUT 0.370" NYLON M4