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National Stock Number:
5310-00-199-9012
Federal Supply Class:
5310
National Item Identification Number:
001999012
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:
| NAS43DD5-1 | 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 | WW-T-786,T3,TY1 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 OR CHEMICAL FILM,MIL-C-5541 DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.160 INCHES MINIMUM AND | | 0.166 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.016 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 80205-NAS43 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | HEAT TREATMENT | T-3 SOLUTION HEAT TREATED, COLD WORKED OR | | T-4 SOLUTION HEAT TREATED, NATURAL AGED | | MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH |
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