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National Stock Number:
5310-00-333-7348
Federal Supply Class:
5310
National Item Identification Number:
003337348
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:
| 520891 | 02978 | RENK AMERICA LLC | | 520891 | R1120 | SATAIR A/S | | 8679576 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | LM211-73 | 76005 | LORD CORPORATION | | 5310003337348 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5310003337348 | 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 | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM | | OVERALL DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | -QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR -QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THICKNESS | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
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