Serving our customers with quality and safety first.
steel, ams 6381 or steel, ams 6382, fscm 81343, phosphate coat, MIL-P-16232, type z, class 4a, nut height, 0.340 in. min, 0.345 in.max, 4.080 in. min, 4.090 in. max, o.d., grooved and counterbored oneface, 3.500-12 UNJ-3Bg, thd. size, fluorescent penetrant inspect PERP3TF2 class a, fscm 99207
drive, engine, electrical starter, aircraft
1EA
Schedule B number: 7318160000
nmfc 093470
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).