Product Details | FLAT WASHER

5310-00-477-7252 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: 5310-00-477-7252, 00-477-7252, 5310004777252, 004777252

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-477-7252

Drawings & Photos | NSN 5310-00-477-7252


Cross Reference | NSN 5310-00-477-7252

Part Number Cage Code Manufacturer
50-7N2-4-2 38597 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
LD153-0002-1100 43999 BOEING COMPANY, THE DBA BOEING
LD153-0002-1100 89372 ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS

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Technical Data | NSN 5310-00-477-7252

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-362,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.125 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.016 INCHES NOMINAL
III HEAT TREATMENT F-AS FABRICATED
MANUFACTURERS CODE 38597
DESIGN CONTROL REFERENCE 50-7N2-4-2

Restrictions/Controls & Freight Information | NSN 5310-00-477-7252

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