Serving our customers with quality and safety first.
3b
RIGHT-Hand
prevailing torque all metal design
plate
1.027in. and 1.047in. ⁓1-3/64"
0.500in. and 0.520in. ⁓17/32"
0.050in. and 0.070in.
0.797in. and 0.817in.
0.115in. nut and 0.135in. nut
unjf
28
0.250in. ⁓1/4"
nut, PLATE-Cap height .825 + or -.010, cap o.d. .550 + or -.010, base plate top lt corner to rt side lower corner 1.05 + or -.010
iron alloy 660 cap
nickel alloy 718 nut
AMS-5525 assn std 1st material response cap or AMS-5726 assn std 2nd material response cap or AMS-3731 assn std 3rd material response cap or AMS-5732 assn std 4th material response cap or AMS-5737 assn std 5th material response cap
AMS-5596 assn std 1st material response nut or AMS-5597 assn std 2nd material response nut or AMS-5662 assn std 3rd material response nut or AMS-5663 assn std 4th material response nut or AMS-5664 assn std 5th material response nut
passivate cap
passivate nut
Nickel alloy 718 nut
Iron alloy 660 cap
28
Right-hand
3b
Schedule B number: 7508900000
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
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).
passivate nut surface treated nut, plate-cap height .825 + or -.010, cap o.d. .550 + or -.010, base plate top lt corner to rt side lower corner 1.05 + or -.010 28 thread quantity per inch right-hand 3b thread class
1. | C20813-4-2 | Cage 81755 |
2. | C20813 | Cage 81755 |
Nothing similar to this part number was found in our inventory
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. an integral feature is incorporated for locking on the threads of a mating member.