5310-01-580-1267 WASHER,FLAT Index 5310-01-580-1344 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-580-1327

Federal Supply Class:
5310

National Item Identification Number:
015801327

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:
4303071076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
430307180212BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.530 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYD-WASHER
PERIPHERAL SHAPE STYLEDEE
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER2.000 INCHES NOMINAL
SPECIAL FEATURESMAKE FROM PART NUMBER 12387327-28, NSN 5310-010-566-9850
WIDTH0.209 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THICKNESS0.209 INCHES NOMINAL


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