Serving our customers with quality and safety first.
2b
RIGHT-Hand
prevailing torque with nonmetallic insert
hexagon
0.312in. ⁓5/16"
3990-01-537-1045
0.438in. ⁓29/64"
unc
20
0.250in. ⁓1/4"
flat
locknut, nylon insert
finish olive drab or iridescent yellow
plastic nylon locking insert
steel
Steel
Plastic nylon locking insert
20
Right-hand
2b
Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
Used on 3990-01-537-1045. finish olive drab or iridescent yellow locknut, nylon insert 20 thread quantity per inch right-hand 2b thread class
Nothing similar to this part number was found in our inventory
A nut having a flat bottom and 6 sides. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, cap.