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National Stock Number:
5310-01-181-0816
Federal Supply Class:
5310
National Item Identification Number:
011810816
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:
| 1881-217 | 13002 | GOODRICH CORPORATION | | 1881-217 | 4JZH8 | ES3 PRIME LOGISTICS GROUP INC | | 1881-217 | 6K4C8 | GOODRICH CORPORATION | | 1881-217 | 6Z056 | CM MANUFACTURING INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.180 INCHES NOMINAL | | OVERALL DIAMETER | 1.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1020 OR STEEL COMP 1025 OVERALL | | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | TWO COATS POLYURETHANE ENAMEL COLOR WHITE EDGE ONLY | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
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