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National Stock Number:
5310-00-820-3021
Federal Supply Class:
5310
National Item Identification Number:
008203021
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:
| 09-190845 | 28815 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 09-190845-1 | 28815 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 310-0740-220 | 13499 | ROCKWELL COLLINS, INC. | | 29567-378 | 35351 | GE AVIATION SYSTEMS LLC | | 5310PL1382828 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 10121742 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | NAS620A4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | 534120-122 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | OVERALL DIAMETER | 0.204 INCHES MINIMUM AND 0.224 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 5052 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.032 INCHES NOMINAL |
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