5310-01-114-7974, WASHER,FLAT

National Stock Number:
5310-01-114-7974

Federal Supply Class:
5310

National Item Identification Number:
011147974

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:

AN960XC1816	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-W-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1149C1890B	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
COLOR	BLACK OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	1.130 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
OVERALL DIAMETER	1.870 INCHES MINIMUM AND 1.895 INCHES MAXIMUM
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 MIL-S-6721 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 6TH MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 7TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 GRADE AND B CLASS
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
THICKNESS	0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM

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