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National Stock Number:
5365-01-094-5798
Federal Supply Class:
5365
National Item Identification Number:
010945798
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:
| 70351-08037-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| SURFACE TREATMENT | PHOSPHATE | | OVERALL LENGTH | 0.770 INCHES MINIMUM AND | | 0.790 INCHES MAXIMUM | | MATERIAL HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | DRIVE TYPE | LUG FACE | | ACCOMMODATION TYPE AND QUANTITY | 4 LUGS | | DIAMETER | 3.760 INCHES MINIMUM AND | | 3.780 INCHES MAXIMUM | | ANGLE BETWEEN ACCOMMODATIONS IN DEG | 90.0 | | THREAD SIZE | 3.875-16 | | SCREW THREAD SERIES DESIGNATOR | UNJ | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | BEVELED THREAD | NOT INCLUDED | | BORE SHAPE | STRAIGHT | | BORE DIAMETER | 0.320 INCHES MINIMUM AND | | 0.341 INCHES MAXIMUM | | BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED | | BORE EDGE PROCESS | CHAMFERED | | PROCESS END LOCATION | BOTH ENDS | | CHAMFER ANGLE IN DEG | 45.0 | | CHAMFER LENGTH | 0.050 INCHES NOMINAL | | SETSCREW LOCKING NOTCH | NOT INCLUDED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 70351-08037-101 |
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