Product Details | FLAT WASHER

5310-00-428-4335 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: WA1518, 5310-00-428-4335, 00-428-4335, 5310004284335, 004284335

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-61 00-428-4335

Drawings & Photos | NSN 5310-00-428-4335


Cross Reference | NSN 5310-00-428-4335

Part Number Cage Code Manufacturer
200158 1UVT5 BRP US INC.
200158 80256 OUTBOARD MARINE CORP
200158 U1621 SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS
8F0908 11083 CATERPILLAR INC. DBA CATERPILLAR
8F908 11083 CATERPILLAR INC. DBA CATERPILLAR
FFW92A 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
WA1342 01843 AMBAC INTERNATIONAL CORPORATION
WA1342 24956 UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC
WA1518 01843 AMBAC INTERNATIONAL CORPORATION
WA1518 24956 UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC

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Technical Data | NSN 5310-00-428-4335

Characteristic Specifications
MATERIAL STEEL COMP 1010 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HOLE DIAMETER 0.316 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.562 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-00-428-4335

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information