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nsn 2355-01-567-4930 truck, bomb service
inner diameter 0.260 in, material high alloy, outer diameter 0.487 in, style - medium split, type lock washer, size .250 in, thickness 0.062 in
yellow
zinc
split HELICAL-Right hand
Split helical-right hand
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).
Used on nsn 2355-01-567-4930 truck,bomb service. split helical-right hand zinc surface treated inner diameter 0.260 in, material high alloy, outer diameter 0.487 in, style - medium split, type lock washer, size .250 in, thickness 0.062 in
1. | 1133891 | Cage 0Y3H3 |
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A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces