Serving our customers with quality and safety first.
steel MIL-S-5059 comp.301 1/4, 1/2 or full hard temper or comp. 302 1/4 hard temper, 0.620 in.min 0.630 in.max od, 0.255 in.min, 0.265 in. max id, 0.014 in.min 0.018 in. max thk, dimple 0.060 in.min 0.070 in. max dia. by 0.020, in.min.0.030 in. max. depth, 0.265 in. min 0.275 in. max from center on center line
Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, 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).