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National Stock Number:
5310-01-334-0877
Federal Supply Class:
5310
National Item Identification Number:
013340877
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:
| 211041873 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 211041873CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 801-6405342 FIND 5CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 6405342 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 801-6405342 FIND 5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM | | OVERALL DIAMETER | 0.855 INCHES MINIMUM AND 0.860 INCHES MAXIMUM | | MATERIAL | PLASTIC OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
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