Product Details | FLAT WASHER

5310-01-044-7497 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: A34318, 34318, 5310-01-044-7497, 01-044-7497, 5310010447497, 010447497

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 20 JUL 1977 01-044-7497

Drawings & Photos | NSN 5310-01-044-7497


Cross Reference | NSN 5310-01-044-7497

Part Number Cage Code Manufacturer
34318 03990 INGERSOLL-RAND CO
A34318 03990 INGERSOLL-RAND CO

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Technical Data | NSN 5310-01-044-7497

Characteristic Specifications
MATERIAL STEEL COMP 1117 OVERALL
SURFACE TREATMENT OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION 57-0-2C,TYPE 3,GRADE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
HOLE DIAMETER 0.625 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.375 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.290 INCHES NOMINAL
FEATURES PROVIDED CASEHARDENED
MANUFACTURERS CODE 03990
DESIGN CONTROL REFERENCE A34318

Restrictions/Controls & Freight Information | NSN 5310-01-044-7497

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