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National Stock Number:
5310-01-136-4123
Federal Supply Class:
5310
National Item Identification Number:
011364123
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:
| 723088 | 45153 | HAMILTON SUNDSTRAND CORPORATION | | 723088 | 55820 | RTX CORPORATION | | 723088 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 723088 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | INSIDE LEFT CORNER CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.660 INCHES NOMINAL | | SPECIAL FEATURES | CHAMFER LG 0.020 IN. MIN AND 0.030 IN. MAX | | THICKNESS | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
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