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National Stock Number:
5310-00-205-9714
Federal Supply Class:
5310
National Item Identification Number:
002059714
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:
| 145928-4 | 79318 | MEGGITT NORTH HOLLYWOOD INC | | 234999 | 1J4P3 | PARADIGM MANCHESTER INC. | | 234999 | 33615 | ENJET AERO MANCHESTER LLC | | 234999 | 77445 | RTX CORPORATION | | 234999 | 79043 | THE UNITED TOOL & DIE COMPANY | | 235-3-2 | 84347 | SINGER CO THE KEARFOTT DIV | | A3131941-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.333 INCHES MINIMUM AND 0.348 INCHES MAXIMUM | | OVERALL DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 321 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM |
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