5310-00-441-9773, WASHER,FLAT

National Stock Number:
5310-00-441-9773

Federal Supply Class:
5310

National Item Identification Number:
004419773

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:

1019120-001	05037	ANACOMP, INC.
1019120-001	0HBH2	LEXEL IMAGING SYSTEMS INC
NAS1401-7-3	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM
LENGTH	0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-636-CANC FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-7952 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OR STEEL COMP 1025 OR STEEL COMP 1010 OVERALL
PERIPHERAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	ONE EDGE HAS 0.090 IN. RADIUS OR 45 DEG CHAMFER OPTIONAL
WIDTH ACROSS FLATS	0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THICKNESS	0.090 INCHES NOMINAL

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