5310-01-129-6952 WASHER,FLAT Index 5310-01-129-6954 WASHER,FLAT

National Stock Number:
5310-01-129-6953

Federal Supply Class:
5310

National Item Identification Number:
011296953

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:
10109535A486GNIMIKKEISTOKESKUS NCB FINLAND
CW6002B-1029372HOWMET GLOBAL FASTENING SYSTEMS INC.
PC92023-409344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
OVERALL DIAMETER0.367 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THICKNESS0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM


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