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National Stock Number:
5310-01-216-3685
Federal Supply Class:
5310
National Item Identification Number:
012163685
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:
| 4M36-03055 | 76301 | THE BOEING COMPANY | | 5007388-3 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.923 INCHES MINIMUM AND 0.953 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PN14.10,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM |
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