Product Details | FLAT WASHER

5310-00-870-3098 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: 5310-00-870-3098, 00-870-3098, 5310008703098, 008703098

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-870-3098

Drawings & Photos | NSN 5310-00-870-3098


Cross Reference | NSN 5310-00-870-3098

Part Number Cage Code Manufacturer
4F23657-101A 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
LS884-416 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5310-00-870-3098

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 7075 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/9,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.328 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 4 DEE
WIDTH 0.521 INCHES NOMINAL
OVERALL DIAMETER 0.562 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.063 INCHES NOMINAL
III HEAT TREATMENT F-AS FABRICATED
MANUFACTURERS CODE 98897
DESIGN CONTROL REFERENCE 4F23657-101A

Restrictions/Controls & Freight Information | NSN 5310-00-870-3098

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