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National Stock Number:
5310-00-823-8676
Federal Supply Class:
5310
National Item Identification Number:
008238676
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:
| NMP305 PIECE 50 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | | NMP305-50 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.688 INCHES NOMINAL | | OVERALL DIAMETER | 1.062 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763 CLASS 400 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OR STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 40.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.250 INCHES NOMINAL |
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