Serving our customers with quality and safety first.
3b
RIGHT-Hand
prevailing torque all metal design
0.865in. and 0.880in.
0.495in. and 0.505in.
hexagon
0.060in. and 0.080in.
0.736in. and 0.748in. ⁓3/4"
unf
casehardened
20
24.0 rockwell c and 37.0 rockwell c
0.500in. ⁓1/2"
108.0 degrees nut and 112.0 degrees nut
63 microinch finish bearing surface, 250 microinch finish on flats and head, 0.020 in. 45 degree chamfer on od of washer face
steel
cadmium or zinc or chromate
QQ-Z-325 type 2 class 3 fed spec 2nd treatment response or QQ-Z-325 type 2 class 3 fed spec 3rd treatment response
1EA
Steel
20
Right-hand
3b
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).
cadmium or zinc or chromate surface treated 63 microinch finish bearing surface, 250 microinch finish on flats 20 thread quantity per inch right-hand 3b thread class
Nothing similar to this part number was found in our inventory
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.