4820-01-563-8937 CAP,VALVE Index 4730-01-563-8939 CAP,QUICK DISCONNECT

National Stock Number:
5310-01-563-8938

Federal Supply Class:
5310

National Item Identification Number:
015638938

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:
03314-0114153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
91525A14139428MCMASTER-CARR SUPPLY CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.406 INCHES NOMINAL
OVERALL DIAMETER1.250 INCHES NOMINAL
MATERIALSTEEL COMP 316 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM


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