5310-01-121-5531, WASHER,FLAT

National Stock Number:
5310-01-121-5531

Federal Supply Class:
5310

National Item Identification Number:
011215531

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:

10109383	A486G	NIMIKKEISTOKESKUS NCB FINLAND
140-009B8T20	97499	BELL TEXTRON INC
FF-W-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
AN960JD4	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
5310PL0139790	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
5310PL0787153	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

MATERIAL	ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/5,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/5,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OR
	MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.125 INCHES NOMINAL
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.307 INCHES MINIMUM AND
	0.332 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.032 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	1 GRADE AND
	D CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN960JD4
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-W-92

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