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National Stock Number:
5310-15-056-5710
Federal Supply Class:
5310
National Item Identification Number:
150565710
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:
| 1276-06-576 | A0199 | FINMECCANICA SPA | | 127606576 | A0199 | FINMECCANICA SPA | | 241 A0199127606576 | A0199 | FINMECCANICA SPA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 20.5 MILLIMETERS NOMINAL | | MATERIAL | COPPER ALLOY 630 OVERALL OR COPPER ALLOY 624 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 32.0 MILLIMETERS NOMINAL | | THICKNESS | 1.90 MILLIMETERS MINIMUM AND 1.95 MILLIMETERS MAXIMUM |
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