Lock Washer

Model / MPN: 1220-0000-0511 | NSN: 5310-00-515-9948

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

Product Details

NATO Stock Number

5310-00-515-9948

Sold in multiples of

DEMIL

Hole Diameter

Between 0.448 inches and 0.464 inches

Outside Diameter

0.781 inches

Material Thickness

0.035 inches

Hardness Rating

Between 40.0 rockwell c and 50.0 rockwell c

Material

Steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1054 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064

Style Designator

Flat internal teeth

Nondefinitive Specification/std Data

A type and 1 grade and 1 design and 1 figure

1220 Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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1220-0000-0511 Cross Reference

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