5310-00-279-5566 WASHER,FLAT Index 5940-00-279-5569 TERMINAL,STUD

National Stock Number:
5310-00-279-5568

Federal Supply Class:
5310

National Item Identification Number:
002795568

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:
133B6663-1505606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M OR Z,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.320 INCHES MINIMUM AND
0.340 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.180 INCHES MINIMUM AND
1.200 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.090 INCHES NOMINAL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND
35.0 ROCKWELL C MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE05606
DESIGN CONTROL REFERENCE133B6663-15


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