Lock Washer NSN: 5310-00-184-8970 P/N: 310-0082-00

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Lock Washer- 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

Hardness Rating: 90.0 rockwell b minimum
Hole Diameter: 0.255 inches minimum and 0.263 inches maximum
Material Document And Classification: Qq-b-750,comp a fed spec single material response overall
Material Thickness: 0.062 inches minimum and 0.072 inches maximum
Material: Copper alloy overall
Outside Diameter: 0.489 inches maximum
Style Designator: Split helical-right hand
Surface Treatment Document And Classification: Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Surface Treatment: Cadmium overall

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