Serving our customers with quality and safety first.
steel MIL-S-5059 type 301 1/4 hard temper, 0.990 in. min 1.010 in. max od, 0.876 in. min 0.890 in. max id, 0.022 in. min 0.0.28 max thk, indent washer 0.010 in. min 0.020 in. max radius by 0.020 in. min 0.040 in. max height
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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).