5310-00-058-1305, WASHER,FLAT

National Stock Number:
5310-00-058-1305

Federal Supply Class:
5310

National Item Identification Number:
000581305

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:

10910174	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
10910174-20	19200	US ARMY ARDEC RDECOM
10910174-20	19204	ARMY, UNITED STATES DEPARTMENT OF THE
10910174-20	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5310000581305	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
10910174-20	T0720	FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI
5310000581305	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
FEATURES PROVIDED	CASEHARDENED
HEAT TREATMENT	QUENCHED AND TEMPERED
HOLE DIAMETER	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
OVERALL DIAMETER	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC 1ST MATERIAL RESPONSE OR 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 OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-626 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-627 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-627 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-626 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1050 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THICKNESS	0.082 INCHES MINIMUM AND 0.096 INCHES MAXIMUM

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