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3b
RIGHT-Hand
slotted, hexagon
0.175in. and 0.185in. ⁓3/16"
0.555in. and 0.565in. ⁓37/64"
unc
18
0.312in. ⁓5/16"
washer faced
63.0 microinches
steel
MIL-S-890, comp b mil spec single material response
phosphate manganese
MIL-P-16232, ty m, cl 2 mil spec single treatment response
Steel
18
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).
phosphate manganese surface treated 18 thread quantity per inch right-hand 3b 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.