Product Details | FLAT WASHER

5310-01-273-0998 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: 6251342001, 625-1342-001, 5310-01-273-0998, 01-273-0998, 5310012730998, 012730998

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 19 FEB 1988 01-273-0998

Cross Reference | NSN 5310-01-273-0998

Part Number Cage Code Manufacturer
625-1342-001 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS

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Technical Data | NSN 5310-01-273-0998

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-5541 GRADE C,CLASS 3,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
OVERALL DIAMETER 0.875 INCHES NOMINAL
THICKNESS 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-273-0998

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