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National Stock Number:
5310-00-058-1305
Federal Supply Class:
5310
National Item Identification Number:
000581305
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:
| 10910174 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 10910174-20 | 19200 | US ARMY ARDEC RDECOM | | 10910174-20 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 10910174-20 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5310000581305 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 10910174-20 | T0720 | FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI | | 5310000581305 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-627 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-626 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-627 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-627 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-626 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1050 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL | | OVERALL DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | | | THICKNESS | 0.082 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
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