5310-01-434-3327, WASHER,FLAT

National Stock Number:
5310-01-434-3327

Federal Supply Class:
5310

National Item Identification Number:
014343327

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:

FF-W-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS14226-64KD10	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	ALUMINUM ALLOY 2024 AND
	ALUMINUM ALLOY 1230 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/5, T3 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/5, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.215 INCHES MINIMUM AND
	0.220 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.433 INCHES MINIMUM AND
	0.458 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.057 INCHES MINIMUM AND
	0.069 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-W-92
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS14226-64KD10

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