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National Stock Number:
5365-00-124-4759
Federal Supply Class:
5365
National Item Identification Number:
001244759
Description:
RING,EXTERNALLY THREADED
Detail:
A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. One face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. Excludes RETAINER, OPTICAL ELEMENT.
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Manufacturer Information:
| S6137-64368-1 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 4340 | | SURFACE TREATMENT | CADMIUM | | OVERALL LENGTH | 2.250 INCHES NOMINAL | | MATERIAL HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | DRIVE TYPE | ANY ACCEPTABLE | | ACCOMMODATION TYPE AND QUANTITY | 4 LUGS | | DIAMETER | 2.250 INCHES NOMINAL | | HEIGHT | 0.550 INCHES NOMINAL | | ANGLE BETWEEN ACCOMMODATIONS IN DEG | 45.0 | | RADIUS FROM GEOMETRIC AXIS TO ACCOMMODATION | 0.700 INCHES NOMINAL | | THREAD SIZE | 1.750-16 | | SCREW THREAD SERIES DESIGNATOR | UN | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | BEVELED THREAD | NOT INCLUDED | | BORE SHAPE | STRAIGHT | | BORE DIAMETER | 1.400 INCHES NOMINAL | | BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED | | BORE EDGE PROCESS | CHAMFERED | | PROCESS END LOCATION | BOTH ENDS | | CHAMFER ANGLE IN DEG | 45.0 | | CHAMFER LENGTH | 0.030 INCHES NOMINAL | | SETSCREW LOCKING NOTCH | NOT INCLUDED | | SPECIAL FEATURES | 8 0.128 IN. DIA HOLES THRU EQUALLY SPACED LOCATED ON THDS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S6137-64368-1 |
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