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National Stock Number:
5310-01-540-0915
Federal Supply Class:
5310
National Item Identification Number:
015400915
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:
| 1.188ODX0.406IDX0.125CRES | 53711 | NAVAL SEA SYSTEMS COMMAND | | 709-5486669 ITEM 018 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 0.406 INCHES NOMINAL | | OVERALL DIAMETER | 1.188 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SPECIAL FEATURES | DOCUMENT OR DRAWING NO. QQ-S-763 CL 304, COND A | | THICKNESS | 0.062 INCHES NOMINAL |
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