5305-00-849-8631 SCREW,MACHINE Index 5305-00-849-8633 SCREW,MACHINE

National Stock Number:
5310-00-849-8632

Federal Supply Class:
5310

National Item Identification Number:
008498632

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:
57675711449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
57675777445RTX CORPORATION
576757JA269TOKYO JUDOI KOGYO K.K.
576757S0554TOKYO JUDOGI KOGYO CO.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING34.0 ROCKWELL C MINIMUM
HOLE DIAMETER0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
OVERALL DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5544 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM


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