5998-00-075-2510 CIRCUIT CARD ASSEMBLY Index 5305-00-075-2516 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5310-00-075-2515

Federal Supply Class:
5310

National Item Identification Number:
000752515

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:
CYRD23805624GE AVIATION SYSTEMS LLC
CYRD238-0-6-8005624GE AVIATION SYSTEMS LLC
FF-W-92B81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONCYRD 137,FSCM 05624 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTC 270,FSCM 05624 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM


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