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National Stock Number:
5310-01-516-0000
Federal Supply Class:
5310
National Item Identification Number:
015160000
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:
| 0209298 ITEM 10 | 55910 | NIWC PACIFIC SAN DIEGO NAVY ERP | | 0209298-8 | 55910 | NIWC PACIFIC SAN DIEGO NAVY ERP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.531 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 OVERALL | | PERIPHERAL SHAPE STYLE | OVAL | | RADIUS AT SMALL END | 0.234 INCHES NOMINAL | | SPECIAL FEATURES | WASHER IS BENT AT A 30 DEGREE ANGLE;THERE IS A SECOND HOLE WITH A DIAMETER OF .047 INCHES IN THE BENT END FOR ATTACHING A LANYARD | | WIDTH | 0.813 INCHES NOMINAL | | THICKNESS | 0.047 INCHES NOMINAL |
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