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National Stock Number:
5310-01-334-0878
Federal Supply Class:
5310
National Item Identification Number:
013340878
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:
| 211041883 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 211041883CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 801-6405342 FIND 9CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 801-6405342 FIND 9 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.530 INCHES NOMINAL | | OVERALL DIAMETER | 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PERIPHERAL SHAPE STYLE | ROUND | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
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