5310-00-922-1759, WASHER,FLAT

5340-00-922-1758 STANDOFF,THREADED,SPACING

National Stock Number:
5310-00-922-1759

Federal Supply Class:
5310

National Item Identification Number:
009221759

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:

AN960XC3L	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FFW92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1149CN316B	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING OR
	STEEL COMP 321 OR
	STEEL COMP 347 OR
	STEEL COMP 348 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND
	MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND
	MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND
	MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.105 INCHES NOMINAL
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	0.245 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.016 INCHES NOMINAL
COLOR	BLACK OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND
	2 GRADE AND
	A CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFW92

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