5310-00-936-0422, WASHER,FLAT

National Stock Number:
5310-00-936-0422

Federal Supply Class:
5310

National Item Identification Number:
009360422

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:

547279	1RRL5	NIELSEN HARDWARE CORPORATION
547279	34830	ROGERSON KRATOS
547279	77445	RTX CORPORATION
547279	98003	NIELSEN HARDWARE CORP
547279	JA269	TOKYO JUDOI KOGYO K.K.
547279	S0554	TOKYO JUDOGI KOGYO CO.

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAT TREATMENT	AS FABRICATED
HOLE DIAMETER	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
OVERALL DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD 1ST MATERIAL RESPONSE OR AMS 6350 ASSN STD 1ST MATERIAL RESPONSE AND 66 FED STD 2ND MATERIAL RESPONSE OR AMS 6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THICKNESS	0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM

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