Product Details | FLAT WASHER

5310-00-410-6665 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: 11838570, 5310-00-410-6665, 00-410-6665, 5310004106665, 004106665

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-410-6665

Drawings & Photos | NSN 5310-00-410-6665


Cross Reference | NSN 5310-00-410-6665

Part Number Cage Code Manufacturer
11838570 19204 ARMY UNITED STATES DEPARTMENT OF THE
FFW92A 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
S6132-61036-1 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-410-6665

Characteristic Specifications
MATERIAL STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-P-16232,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.063 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-410-6665

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