5310-01-067-4269 NUT,SLEEVE Index 5310-01-067-4271 WASHER,FLAT

National Stock Number:
5310-01-067-4270

Federal Supply Class:
5310

National Item Identification Number:
010674270

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:
7827081-0598748AIR FORCE UNITED STATES DEPARTMENT OF THE DBA TINKER AFB OC ALC DSP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONABNM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
OVERALL DIAMETER0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.055 INCHES NOMINAL


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