Product Details | FLAT WASHER

5310-00-475-9278 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: 1246823S106, 124682-3S10-6, 5310-00-475-9278, 00-475-9278, 5310004759278, 004759278

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-475-9278

Drawings & Photos | NSN 5310-00-475-9278


Cross Reference | NSN 5310-00-475-9278

Part Number Cage Code Manufacturer
124682-3S10-6 18355 BOEING COMPANY, THE DBA BOEING
124682-3S10-6 88277 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-00-475-9278

Characteristic Specifications
MATERIAL STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-685 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HOLE DIAMETER 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.062 INCHES NOMINAL
III HEAT TREATMENT AS FABRICATED
MANUFACTURERS CODE 88277
DESIGN CONTROL REFERENCE 124682-3S10-6

Restrictions/Controls & Freight Information | NSN 5310-00-475-9278

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