5310-00-945-2493 WASHER,FLAT Index 5315-00-945-2497 PIN,QUICK RELEASE

National Stock Number:
5310-00-945-2496

Federal Supply Class:
5310

National Item Identification Number:
009452496

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:
65651-06033-10178286SIKORSKY AIRCRAFT CORPORATION
65651-06033-101D1081AIRBUS DEUTSCHLAND GMBH -WERK BREMEN-


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.266 INCHES NOMINAL
OVERALL DIAMETER0.488 INCHES MINIMUM AND 0.498 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH90.0 MICROINCHES ALL SURFACES
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.063 INCHES NOMINAL


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