Product Details | FLAT WASHER

5310-00-579-0274 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: 5310-00-579-0274, 00-579-0274, 5310005790274, 005790274

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-579-0274

Drawings & Photos | NSN 5310-00-579-0274


Cross Reference | NSN 5310-00-579-0274

Part Number Cage Code Manufacturer
1918750 16764 GENERAL MOTORS CORP DELCO REMY DIV
1918750 1LW55 REMY, INC.
1918750 24617 GENERAL MOTORS CORP
1918750 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
7348905 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
GB3071-2 31550 EXELIS INC. DBA NIGHT VISION & COMMUNICATIONS

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Technical Data | NSN 5310-00-579-0274

Characteristic Specifications
MATERIAL STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING 64.0 ROCKWELL B NOMINAL
HOLE DIAMETER 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.383 INCHES MINIMUM AND 0.393 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.032 INCHES NOMINAL
MANUFACTURERS CODE 82577
DESIGN CONTROL REFERENCE 418965

Restrictions/Controls & Freight Information | NSN 5310-00-579-0274

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