5310-00-866-5293, WASHER,FLAT

5935-00-866-5297 CAP,PROTECTIVE,DUST AND MOISTURE

National Stock Number:
5310-00-866-5293

Federal Supply Class:
5310

National Item Identification Number:
008665293

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:

10082629	A486G	NIMIKKEISTOKESKUS NCB FINLAND
10910174	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
10910174-4	19200	US ARMY ARDEC RDECOM
10910174-4	19204	ARMY, UNITED STATES DEPARTMENT OF THE
10910174-4	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
10910174-4	T0720	FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI
5310000041517	19200	US ARMY ARDEC RDECOM
5310000041517	19204	ARMY, UNITED STATES DEPARTMENT OF THE
5310008665293	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE

Techincal Specification:

MATERIAL	STEEL COMP 4130 OR
	STEEL COMP 4140 OR
	STEEL COMP 8622H OR
	STEEL COMP 1050 OR
	STEEL COMP 8740 OR
	STEEL COMP 8640 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR
	QQ-S-626 FED SPEC 1ST MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 1ST MATERIAL RESPONSE AND
	QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR
	QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 2ND MATERIAL RESPONSE AND
	QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE AND
	QQ-S-635 FED SPEC 4TH MATERIAL RESPONSE OR
	QQ-S-700 FED SPEC 4TH MATERIAL RESPONSE AND
	QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OR
	QQ-S-626 FED SPEC 5TH MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 5TH MATERIAL RESPONSE AND
	QQ-S-626 FED SPEC 6TH MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.458 INCHES MINIMUM AND
	0.478 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.112 INCHES MINIMUM AND
	0.126 INCHES MAXIMUM
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM
HEAT TREATMENT	QUENCHED AND
	TEMPERED

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