Product Details | FLAT WASHER

5310-00-491-0327 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.

Part Alternates: 10889715, 5310-00-491-0327, 00-491-0327, 5310004910327, 004910327

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-491-0327

Drawings & Photos | NSN 5310-00-491-0327


Cross Reference | NSN 5310-00-491-0327

Part Number Cage Code Manufacturer
10889715 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
2220036 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
3K363 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
5310004910327 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES

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Technical Data | NSN 5310-00-491-0327

Characteristic Specifications
MATERIAL COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-613,1/2H OR H, FED SPEC ALL MATERIAL RESPONSES OVERALL
HOLE DIAMETER 0.670 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.120 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.110 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-491-0327

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information