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National Stock Number:
5310-00-213-4960
Federal Supply Class:
5310
National Item Identification Number:
002134960
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:
| 17237-1 | 07239 | AVO INTL | | MS51859-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.172 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | | OVERALL DIAMETER | 0.365 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | COLOR NATURAL | | THICKNESS | 0.031 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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