4320-00-993-4127 IMPELLER,PUMP,CENTRIFUGAL Index 9530-00-993-4137 BAR,METAL

National Stock Number:
5310-00-993-4130

Federal Supply Class:
5310

National Item Identification Number:
009934130

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:
7091668P00203538LOCKHEED MARTIN CORPORATION
7091668P00224446GENERAL ELECTRIC COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
OVERALL DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 CRCQ FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM


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