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National Stock Number:
5310-00-866-4418
Federal Supply Class:
5310
National Item Identification Number:
008664418
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:
| 10442588 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 10910174 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 10910174-7 | 19200 | US ARMY ARDEC RDECOM | | 10910174-7 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 10910174-7 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 10910174-7 | A9271 | GORIZIANE GROUP SPA | | 5310007371752 | 19200 | US ARMY ARDEC RDECOM | | 5310007371752 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 5310008664418 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 10910174-7 | T0720 | FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OR | | STEEL COMP 4140 OR | | STEEL COMP 8640 OR | | STEEL COMP 8740 OR | | STEEL COMP 1050 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.646 INCHES MINIMUM AND | | 0.666 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.240 INCHES MINIMUM AND | | 1.260 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.157 INCHES MINIMUM AND | | 0.171 INCHES MAXIMUM | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | QUENCHED AND | | TEMPERED |
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