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National Stock Number:
5310-00-182-5813
Federal Supply Class:
5310
National Item Identification Number:
001825813
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:
| 3018790 | 00198 | PRATT & WHITNEY CANADA CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | OVERALL DIAMETER | 0.6665 INCHES MINIMUM AND 0.6675 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | 0.025 IN. MIN,0.045 IN. MAX BY 45 DEG CHAMFERED LEFT AND RIGHT SIDE OF BEARING SURFACE | | THICKNESS | 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
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