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National Stock Number:
5310-01-505-8049
Federal Supply Class:
5310
National Item Identification Number:
015058049
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:
| 4D98024 ITEM 56 | 04808 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 8578C21H02 | 04808 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | SQUARE | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE LEFT CORNER CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | OUTSIDE RIGHT CORNER CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | CENTER HOLE VARIES WITH HALF CIRCLE CUT OUT WITH RADIUS OF .12 | | WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL | | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.325 INCHES NOMINAL |
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