5310-01-195-7957, WASHER,FLAT

National Stock Number:
5310-01-195-7957

Federal Supply Class:
5310

National Item Identification Number:
011957957

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:

NAS1401-6C3

80205

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

Techincal Specification:

MATERIAL	STEEL COMP 301 OR
	STEEL COMP 302 OR
	STEEL COMP 304 OR
	STEEL COMP 316 OR
	STEEL COMP 321 OR
	STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR
	AMS 5510 ASSN STD 5TH MATERIAL RESPONSE OR
	AMS 5512 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.380 INCHES MINIMUM AND
	0.400 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	SQUARE
WIDTH ACROSS FLATS	0.650 INCHES MINIMUM AND
	0.710 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.090 INCHES NOMINAL
SPECIAL FEATURES	0.06 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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