5310-00-236-6478, WASHER,FLAT

5905-00-236-6479 RESISTOR,FIXED,WIRE WOUND,INDUCT

National Stock Number:
5310-00-236-6478

Federal Supply Class:
5310

National Item Identification Number:
002366478

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:

10941915-8	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
B476	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

MATERIAL	STEEL COMP 4130 OR
	STEEL COMP 4140 OR
	STEEL COMP 8640 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-626 FED SPEC 1ST MATERIAL RESPONSE OR
	QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 1ST MATERIAL RESPONSE AND
	QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE OR
	QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 2ND MATERIAL RESPONSE AND
	QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR
	QQ-S-627 FED SPEC 3RD MATERIAL RESPONSE AND
	QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.802 INCHES MINIMUM AND
	0.822 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	1.990 INCHES MINIMUM AND
	2.010 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.187 INCHES MINIMUM AND
	0.201 INCHES MAXIMUM
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM

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