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4b
RIGHT-Hand
slotted, hexagon
0.550in. and 0.570in. ⁓37/64"
0.737in. and 0.750in. ⁓3/4"
unf
20
0.500in. ⁓1/2"
45.0 degrees nut
chamfered or washer faced
steel comp 8640 or steel comp 4640
sae assn std all material responses
phosphate
Steel comp 8640 or steel comp 4640
20
Right-hand
4b
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).
phosphate surface treated 20 thread quantity per inch right-hand 4b thread class
Nothing similar to this part number was found in our inventory
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. it is designed to provide positive locking when used with a solid or split (cotter) pin. excludes nut (1), plain, castellated, hexagon.