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National Stock Number:
5310-01-271-5831
Federal Supply Class:
5310
National Item Identification Number:
012715831
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:
| 704AS8410 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 898410-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HEAT TREATMENT | COLD ROLLED AND ANNEALED | | HOLE DIAMETER | 0.0235 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM | | OVERALL DIAMETER | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, PIN | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | COPPER, COLD-ROLLED, SOFT-ANNEALED, TIN-LEAD PLATE FINISH I / A/ W MIL-P-81728 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-81728 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | TIN AND LEAD OVERALL | | THICKNESS | 0.0014 INCHES NOMINAL |
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