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National Stock Number:
5310-00-763-3925
Federal Supply Class:
5310
National Item Identification Number:
007633925
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.
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Manufacturer Information:
| 0740865 | S3002 | GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH | | 10121648 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 245-4510949-52 | 51563 | ROHR, INC. | | 348382 | 33615 | ENJET AERO MANCHESTER LLC | | 348382 | JA269 | TOKYO JUDOI KOGYO K.K. | | 348382 | S0554 | TOKYO JUDOGI KOGYO CO. | | 5020912 | 001JK | EMBRAER S.A. DBA EMBRAER | | 5020912 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA | | 5310PL0211438 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5310PL1370868 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 968.20.11.326 | S4080 | PILATUS AIRCRAFT LTD | | 9682011326 | S4080 | PILATUS AIRCRAFT LTD | | FF-W-92 .2812ID X.50DX.060THK | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | MS9321-10 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | OVERALL DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 321 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
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