5310-01-461-5599, WASHER,FLAT

2040-01-461-5600 HATCH,MARINE

National Stock Number:
5310-01-461-5599

Federal Supply Class:
5310

National Item Identification Number:
014615599

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:

12347656-43

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AAMS 5613 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER	0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
MATERIAL	STEEL COMP 410 OR STEEL COMP 416 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.120 INCHES MINIMUM AND 0.134 INCHES MAXIMUM

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