Product Details | FLAT WASHER

5310-00-442-9040 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: 57302, 5310-00-442-9040, 00-442-9040, 5310004429040, 004429040

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-63 00-442-9040

Drawings & Photos | NSN 5310-00-442-9040


Cross Reference | NSN 5310-00-442-9040

Part Number Cage Code Manufacturer
206365 31633 ALINABAL HOLDINGS CORPORATION
206365 51535 CREST/GOOD MANUFACTURING CO., INC.
206365 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
206365 87739 SPIROL INTERNATIONAL CORPORATION DBA SPIROL SHIM DIVISION
206365 S0554 TOKYO JUDOGI KOGYO CO.
325692 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5310-00-442-9040

Characteristic Specifications
MATERIAL COPPER ALLOY 101 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.021 INCHES MINIMUM AND 0.023 INCHES MAXIMUM
III HEAT TREATMENT ANNEALED
MANUFACTURERS CODE 73030
DESIGN CONTROL REFERENCE 57302

Restrictions/Controls & Freight Information | NSN 5310-00-442-9040

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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