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National Stock Number:
5310-01-481-8211
Federal Supply Class:
5310
National Item Identification Number:
014818211
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:
| 124-4322633 PC 52 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 124-4322642 PC 49 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | 3/8 SIZE LOCKWASHER BUT NO STYLE SHOWN ON DRAWING/USED ON AIRCRAFT CARRIER CVAN68 HATCH,BALLISTIC HY100 3DK |
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