5310-01-570-5849 WASHER,FLAT Index 5310-01-570-5920 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-570-5919

Federal Supply Class:
5310

National Item Identification Number:
015705919

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
64304086W728BAE SYSTEMS SURVIVABILITY SYSTEMS LLC
6430408-12M1076M6AMZ ALABAMA INC.
6430408-12M111083CATERPILLAR INC
6430408-12M154786BAE SYSTEMS LAND & ARMAMENTS L.P.
6430408-12M16TD24O'GARA-HESS & EISENHARDT ARMORING COMPANY LLC
6430408-12M16W728BAE SYSTEMS SURVIVABILITY SYSTEMS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER13.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER24.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE-AMS2434 ASSN STD SINGLE TREATMENT RESPONSE OVERALL AND WSS -1+95 A-4 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTTIN OVERALL AND ZINC OVERALL
THICKNESS2.5 MILLIMETERS NOMINAL


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