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Last Modified: Nov 27, 2020

Part Number 545C473P56 Flat Washer

National Stock Number: 5310-00-001-9919

545C473P56 Cross Reference Parts

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545C473P56

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Summary Information (click on this NSN number for detailed information: 5310-00-001-9919)

Definition: Flat Washer, also referenced with federal logistics item name code 13393: A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.
Federal Supply Class (FSC): 5310
NIIN: 00-001-9919 (000019919)
NMF Description: WASHER OR GASKETS, IRON OR STEEL,
Similar parts: 5310-01-170-8522 5310-01-170-8518 5310-01-171-0405 5310-01-170-8530 5310-01-170-8524 5310-01-170-8765 5310-01-171-0390 5310-01-171-0569 5310-01-170-8319 5310-01-170-8537 5310-01-170-6608