5365-00-530-9267 SPACER,RING Index 5310-00-530-9273 WASHER,FLAT

National Stock Number:
5310-00-530-9268

Federal Supply Class:
5310

National Item Identification Number:
005309268

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:
211A750P124446GENERAL ELECTRIC COMPANY
69456A973030HAMILTON SUNDSTRAND CORPORATION
CVC754A20A1080378TRIUMPH AEROSTRUCTURES, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING1.0 ROCKWELL C MINIMUM AND 23.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COND A MIL SPEC 1ST MATERIAL RESPONSE AND AMS 5515 ASSN STD 2ND MATERIAL RESPONSE AND AMS 5513 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM


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