5310-00-435-1010, WASHER,FLAT

National Stock Number:
5310-00-435-1010

Federal Supply Class:
5310

National Item Identification Number:
004351010

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:

NAS1401-6D3

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

MATERIAL	ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3,T4 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-A-250/5,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OR
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR
	MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.380 INCHES MINIMUM AND
	0.400 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	RECTANGULAR
LENGTH	0.650 INCHES MINIMUM AND
	0.710 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.650 INCHES MINIMUM AND
	0.710 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.090 INCHES NOMINAL
SPECIAL FEATURES	0.060 IN. RADIUS ALL CORNERS,0.090 IN. RADIUS ONE SIDE OF ONE END
SPECIFICATION/STANDARD DATA	80205-NAS1401 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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