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National Stock Number:
5310-00-177-1127
Federal Supply Class:
5310
National Item Identification Number:
001771127
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:
| 11070367 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 5310001771127 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5310001771127 | 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 | | HOLE DIAMETER | 0.327 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | OVERALL DIAMETER | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-4850 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-8585 MIL SPEC 2ND TREATMENT RESPONSE AND QQ-P-416 TY 2,CL1 FED SPEC 3RD TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PAINT AND PRIMER AND CADMIUM AND CHROMATE OVERALL | | THICKNESS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
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