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0.844in. and 0.859in. ⁓55/64"
1.750in.
0.350in. and 0.375in.
63.0 microinches top
QQ-B-728 fed spec single material response
convex
Convex
0.350 inches minimum and 0.375 inches maximum
1.750 inches
0.844 inches minimum and 0.859 inches maximum
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).
convex 0.350" material thickness 1.750" outside diameter 0.844" hole diameter
1. | 1015-502-1322 | Cage A00AM |
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A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. see also washer (1), concave. excludes bearing, washer thrust.