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National Stock Number:
5310-01-210-9210
Federal Supply Class:
5310
National Item Identification Number:
012109210
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:
| 8224817-03 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 8224817-03 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.620 INCHES NOMINAL | | OVERALL DIAMETER | 2.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-750, COMP A FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-613 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 510 OR COPPER ALLOY 262 OR COPPER ALLOY 268 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | WASHER,FLAT; MATERIAL BRONZE; O/A DIA,2.750 IN. OM; HNOLE DIA,1.620 IN. NOM; THK 0.0466 IN. MIN,AND 0.4740 IN. MAX THK | | THICKNESS | 0.043 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |
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