5365-00-149-8640 SPACER,RING Index 5305-00-149-8643 SETSCREW

National Stock Number:
5310-00-149-8641

Federal Supply Class:
5310

National Item Identification Number:
001498641

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:
697-1-136-207421L3HARRIS INTERSTATE ELECTRONICS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM
HOLE DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OVERALL DIAMETER0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CL 2A,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM


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