5310-01-216-4363, WASHER,FLAT

National Stock Number:
5310-01-216-4363

Federal Supply Class:
5310

National Item Identification Number:
012164363

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:

5000362

99167

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
SPECIAL FEATURES	ZINC PHOSPHATE TREATMENT APPLIES ONLY TO STEEL,LOW CARBON AND COMPOSITION 1095
SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	TT-C-490,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL AND PHOSPHATE OVERALL
THICKNESS	0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5062 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5122 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5517 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AMS 5518 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL OR STEEL COMP 1095 OVERALL OR STEEL COMP 301 OVERALL

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