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National Stock Number:
5310-01-485-9021
Federal Supply Class:
5310
National Item Identification Number:
014859021
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:
| KS141120312 | 84955 | KAMAN AEROSPACE CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.1875 INCHES NOMINAL | | OVERALL DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6350 ASSN STD 3RD MATERIAL RESPONSE OR AMS6351 MIL SPEC 4TH MATERIAL RESPONSE OR QQ-P-416 TYPE 1,CLASS C FED SPEC 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SUPPLEMENTARY FEATURES | CONTROLLING AGENCY NOMENCLATURE WASHER-STEEL, FLAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 1, CLASS C FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.0625 INCHES NOMINAL |
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