5310-01-426-8406, WASHER,FLAT

National Stock Number:
5310-01-426-8406

Federal Supply Class:
5310

National Item Identification Number:
014268406

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:

12420512	076M6	AMZ ALABAMA INC.
12420512	0FW39	BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12420512	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

MATERIAL	STEEL COMP 1009 OR
	STEEL COMP 1018 OR
	STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A569 ASSN STD 1ST MATERIAL RESPONSE OR
	ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR
	ASTM ST1020 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TY1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	8.2 MILLIMETERS MINIMUM AND
	9.2 MILLIMETERS MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	34.0 MILLIMETERS MINIMUM AND
	36.0 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	2.33 MILLIMETERS MINIMUM AND
	3.05 MILLIMETERS MAXIMUM
COLOR	OLIVE DRAB OVERALL

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