5305-00-982-7430 SCREW,MACHINE Index 5310-00-982-7432 NUT,PLAIN,CASTELLATED,HEXAGON

National Stock Number:
5310-00-982-7431

Federal Supply Class:
5310

National Item Identification Number:
009827431

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:
20024628528ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST
20024631550L3HARRIS TECHNOLOGIES, INC.
3-7DIN125STD8385THALES DEUTSCHLAND GMBH
21010-32037F0057THALES SIX GTS FRANCE SAS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
OVERALL DIAMETER0.375 INCHES NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THICKNESS0.047 INCHES NOMINAL


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