Product Details | FLAT WASHER

5310-01-330-5264 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: 5310-01-330-5264, 01-330-5264, 5310013305264, 013305264

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-330-5264

Drawings & Photos | NSN 5310-01-330-5264


Cross Reference | NSN 5310-01-330-5264

Part Number Cage Code Manufacturer
28719 81982 HYDRO-AIRE, INC.
5710-50-20 86928 SEASTROM MANUFACTURING CO., INC. DBA SEASTROM MANUFACTURING
732013-10 73030 HAMILTON SUNDSTRAND CORPORATION
991625-65 06481 NORTHROP GRUMMAN SYSTEMS CORPORATION

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Technical Data | NSN 5310-01-330-5264

Characteristic Specifications
MATERIAL STEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 75.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 79.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM
HOLE DIAMETER 0.221 INCHES MINIMUM AND 0.223 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.329 INCHES MINIMUM AND 0.333 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-330-5264

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