5310-01-126-6725, WASHER,FLAT

National Stock Number:
5310-01-126-6725

Federal Supply Class:
5310

National Item Identification Number:
011266725

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:

AN960C2116L

88044

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	FF-W-92 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	1.328 INCHES NOMINAL
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	2.062 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.032 INCHES NOMINAL
SPECIAL FEATURES	SCREW SIZE 1.312 IN.
HEAT TREATMENT	COLD ROLLED
MINIMUM TENSILE STRENGTH	40000 POUNDS PER SQUARE INCH
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN960C2116L

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