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National Stock Number:
5310-00-448-5708
Federal Supply Class:
5310
National Item Identification Number:
004485708
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:
| 2555110 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CENTER HOLE WIDTH | 0.437 INCHES NOMINAL | | CENTER HOLE LENGTH | 1.437 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ELLIPTICAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | INSIDE RADIUS | 0.219 INCHES NOMINAL | | LENGTH | 1.875 INCHES NOMINAL | | OUTSIDE RADIUS | 0.437 INCHES NOMINAL | | MATERIAL | PLASTIC OVERALL | | PERIPHERAL SHAPE STYLE | ELLIPTICAL | | WIDTH | 0.875 INCHES NOMINAL | | THICKNESS | 0.063 INCHES NOMINAL |
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