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National Stock Number:
5310-00-927-4279
Federal Supply Class:
5310
National Item Identification Number:
009274279
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:
| 947529-1102 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 947529-1102 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | | NAS42DD3-2 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-T-785 TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.097 INCHES MINIMUM AND | | 0.102 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.178 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.031 INCHES NOMINAL | | COLOR | GRAY/GREY OVERALL |
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