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National Stock Number:
5310-00-137-6543
Federal Supply Class:
5310
National Item Identification Number:
001376543
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:
| 285392-0001 | 65597 | THALES USA, INC. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.790 INCHES MINIMUM AND | | 0.830 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | LENGTH | 2.500 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.375 INCHES NOMINAL | | SPECIAL FEATURES | COLOR OF PAINT FINISH IS GRAY NO. 26555 FED.STD 595 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 65597 | | DESIGN CONTROL REFERENCE | 285392-0001 |
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