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National Stock Number:
5310-00-860-1627
Federal Supply Class:
5310
National Item Identification Number:
008601627
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:
| 616399 | 03730 | GOULD E A AND CO | | 616399 | 1J4P3 | PARADIGM MANCHESTER INC. | | 616399 | 1RRL5 | NIELSEN HARDWARE CORPORATION | | 616399 | 34830 | ROGERSON KRATOS | | 616399 | 59420 | DYNAMIC GUNVER TECHNOLOGIES LLC | | 616399 | 77445 | RTX CORPORATION | | 616399 | 98003 | NIELSEN HARDWARE CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | OVERALL DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5504 OR 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 410 OVERALL | | SPECIAL FEATURES | 0.015 MIN TO 0.025 MAX IN. BY 43.0 DEG MIN TO 47.0 DEG MAX DEG CHAMFERED ON BOTH SIDES | | PERIPHERAL SHAPE STYLE | DEE | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
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