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National Stock Number:
5310-01-220-8623
Federal Supply Class:
5310
National Item Identification Number:
012208623
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:
| 387-3535 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 387-3536 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 387-3536 | 0A860 | GLEN-BAR ENGINEERING CO | | 387-3536 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 387-3536 | 3T881 | A & A MACHINE & DEVELOPMENT COMPANY, INC. | | 387-3536 | 54550 | BOLE INDUSTRIES INC | | 387-3536 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP | | 387-3536 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 15.15 MILLIMETERS NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,303,COND. A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 23.0 MILLIMETERS NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE IV FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 3.5 MILLIMETERS NOMINAL |
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