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National Stock Number:
5310-00-177-1172
Federal Supply Class:
5310
National Item Identification Number:
001771172
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:
| CVC754-527M13 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.203 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | OVERALL DIAMETER | 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-M-44 TEMPER H24 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | MAGNESIUM ALLOY AZ31B OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-M-3171 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | THICKNESS | 0.064 INCHES NOMINAL |
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