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Last Modified: May 28, 2020

Part Number 381743 Flat Washer

National Stock Number: 5310-00-001-8106

381743 Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

381743

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Summary Information (click on this NSN number for detailed information: 5310-00-001-8106)

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: 00-001-8106 (000018106)
NMF Description: WASHER OR GASKETS, IRON OR STEEL,
Similar parts: 5310-01-458-4507 5310-01-458-5868 5310-01-458-4959 5310-01-458-5557 5310-01-458-7389 5310-01-458-6570 5310-01-458-7148 5310-01-458-1876 5310-01-458-6831 5310-01-458-4589 5310-01-458-4305