5306-00-446-6471 BOLT,MACHINE Index 5306-00-446-6481 BOLT,MACHINE

National Stock Number:
5310-00-446-6479

Federal Supply Class:
5310

National Item Identification Number:
004466479

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:
5310A01-00381996U S ARMY AVIATION AND MISSILE COMMAND
5310A01-003-781996U S ARMY AVIATION AND MISSILE COMMAND
SP80594592FLUID CONDITIONING PRODUCTS, INC.
SP8059A148NORCATEC LLC
SP805A0189PIAGGIO AERO INDUSTRIES SPA


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
MATERIALSTEEL COMP 416 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM


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