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National Stock Number:
5310-01-508-1285
Federal Supply Class:
5310
National Item Identification Number:
015081285
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:
| 075-6393450 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6393450-8 | 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6393450-8 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM | | OVERALL DIAMETER | 0.727 INCHES MINIMUM AND 0.749 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9046, COMP CP-3 OR AB-2 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-9047, COMP 6A1-4V, CONDITION A MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56401 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2488B, TYPE 2 ASSN STD 1ST TREATMENT RESPONSE AND MIL-C-85614, ALUMIZITE Z MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THICKNESS | 0.063 INCHES NOMINAL |
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