5310-01-211-5050, WASHER,FLAT

National Stock Number:
5310-01-211-5050

Federal Supply Class:
5310

National Item Identification Number:
012115050

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:

10110165	A486G	NIMIKKEISTOKESKUS NCB FINLAND
NAS1515B9	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
HARDNESS RATING	45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM
HOLE DIAMETER	0.568 INCHES MINIMUM AND 0.588 INCHES MAXIMUM
OVERALL DIAMETER	1.057 INCHES MINIMUM AND 1.082 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ZZ-R-765,CL 2A,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	RUBBER SILICONE CLASS Q OVERALL
MINIMUM TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL FEATURES	HIGH TEMPERATURE 450 DEGREES
SPECIFICATION/STANDARD DATA	80205-NAS1515 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THICKNESS	0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM

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