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National Stock Number:
5310-01-194-9221
Federal Supply Class:
5310
National Item Identification Number:
011949221
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:
| 03158 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | 3903572 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.280 INCHES NOMINAL | | OVERALL DIAMETER | 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D789,TY 1,GR 2 ASSN STD 1ST MATERIAL RESPONSE OR ASTM D789,TY 2,GR 2 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
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