5310-01-259-2455, WASHER,FLAT

National Stock Number:
5310-01-259-2455

Federal Supply Class:
5310

National Item Identification Number:
012592455

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:

1505650	45152	OSHKOSH CORP
1505650	75Q65	OSHKOSH DEFENSE LLC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.760 INCHES MINIMUM AND 0.775 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 1020 HRS ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1020 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCY	SPACER
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
SPECIAL FEATURES	FINISH ZINC AND CLEAR DICHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE III, CLASS FE/ZN5 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	DICHROMATE OVERALL AND ZINC OVERALL
THICKNESS	0.075 INCHES MINIMUM AND 0.082 INCHES MAXIMUM

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