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National Stock Number:
5310-00-942-8251
Federal Supply Class:
5310
National Item Identification Number:
009428251
Description:
WASHER,SHOULDERED
Detail:
A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING SLEEVE; OR SPACER, SLEEVE. EXCLUDES INSULATOR, WASHER AND THRUST TYPE WASHERS.
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Manufacturer Information:
| 65351-11145-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 3.376 INCHES MINIMUM AND 3.377 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.875 INCHES NOMINAL | | MATERIAL THICKNESS | 0.030 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SHOULDER DIAMETER | 3.576 INCHES MINIMUM AND 3.577 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.169 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED | | SURFACE FINISH | 90.0 MICROINCHES ALL SURFACES |
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