Serving our customers with quality and safety first.
3steel ams 5642, passivate MIL-F-14072 finish no. E300, 0.606 in. 0.625 in. max width across flats, 0.300 in. min 0.310 in. max nut height, 0.438-20 UNF-3B right hand thd, 0.710 in. min 0.720 in. max flange dia, 0.050 in. min 0.060 in. max flange thk
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).