5310-00-187-2397 WASHER,FLAT Index 5310-00-187-2399 WASHER,FLAT

National Stock Number:
5310-00-187-2398

Federal Supply Class:
5310

National Item Identification Number:
001872398

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:
004-003081-01926916NORTHROP GRUMMAN SYSTEMS CORPORATION
5310001872398A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310001872398SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
5310PL20237869009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
813748918876U S ARMY AVIATION AND MISSILE COMMAND
AN960PD6L88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN960PDL6D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
FF-W-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
LD153-0011-000743999THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OR ANODIZE OVERALL
THICKNESS0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM


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