5310-00-470-7948, WASHER,FLAT

National Stock Number:
5310-00-470-7948

Federal Supply Class:
5310

National Item Identification Number:
004707948

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:

8431-162	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
8431-162	11871	RECON/OPTICAL, INC.
8431-162	80294	BOURNS INSTRUMENTS INC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
COLOR	BLACK OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
OVERALL DIAMETER	0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-5-698 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	CAP-142 FSCM 11871 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THICKNESS	0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM

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