5310-00-185-0873, WASHER,FLAT

8415-00-185-0872 GLOVES,CHEMICAL AND OIL PROTECTI

National Stock Number:
5310-00-185-0873

Federal Supply Class:
5310

National Item Identification Number:
001850873

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:

158255PC34	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFW92TYPEAGRADE1CLASSB	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY MATERIAL SPEC AND OUTSIDE DIM.
HOLE DIAMETER	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
OVERALL DIAMETER	0.938 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-854 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 GRADE AND B CLASS
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM

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