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National Stock Number: 5310-00-010-4635
Federal Supply Class: 5310
National Item Identification Number: 000104635
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:
00354 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | 483138 | 03730 | GOULD E A AND CO | 483138 | 1J4P3 | PARADIGM MANCHESTER INC. | 483138 | 59420 | DYNAMIC GUNVER TECHNOLOGIES LLC | 483138 | 77445 | RTX CORPORATION |
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Techincal Specification:
CENTER HOLE SHAPE STYLE | ROUND | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | HOLE DIAMETER | 0.529 INCHES MINIMUM AND 0.533 INCHES MAXIMUM | OVERALL DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | PWA1037 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | COBALT ALLOY OVERALL | PERIPHERAL SHAPE STYLE | ROUND | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | SURFACE FINISH | 63.0 MICROINCHES TOP | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC 1ST TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | NICKEL OVERALL | THICKNESS | 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |
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