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National Stock Number:
5310-00-127-7973
Federal Supply Class:
5310
National Item Identification Number:
001277973
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:
| 702275 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP E52100 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.9541 INCHES MINIMUM AND | | 0.9546 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.409 INCHES MINIMUM AND | | 1.412 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.084 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM | | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND | | 60.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES TOP | | 32.0 MICROINCHES BOTTOM | | 32.0 MICROINCHES OUTER | | HEAT TREATMENT | HARD AND | | DRAWN | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99167 | | DESIGN CONTROL REFERENCE | 702275 |
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