Product Details | FLAT WASHER

5310-00-957-1203 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: 10W09032C68, 10W090-32C68, 5310-00-957-1203, 00-957-1203, 5310009571203, 009571203

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-62 00-957-1203

Drawings & Photos | NSN 5310-00-957-1203


Cross Reference | NSN 5310-00-957-1203

Part Number Cage Code Manufacturer
10W090-32C68 0JRC1 NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
3148300 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
346539-000 02769 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
346539-000 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 5310-00-957-1203

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.090 INCHES NOMINAL
MANUFACTURERS CODE 76823
DESIGN CONTROL REFERENCE 10W090-32C68

Restrictions/Controls & Freight Information | NSN 5310-00-957-1203

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