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		                        | National Stock Number:
 5365-01-481-5511
 
 Federal Supply Class:
 5365
 
 National Item Identification Number:
 014815511
 
 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:
 
 | 801-6640811 PC 220 | 53711 | NAVAL SEA SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | ACCOMMODATION TYPE AND QUANTITY | 3 SLOTS |  | ANGLE BETWEEN ACCOMMODATIONS IN DEG | 90.000 |  | BEVELED THREAD | NOT INCLUDED |  | BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED |  | BORE DIAMETER | 5.750 INCHES NOMINAL |  | BORE SHAPE | STRAIGHT |  | CASEHARDENING INDICATOR | NOT CASEHARDENED |  | DEPTH | 0.875 INCHES NOMINAL |  | DIAMETER | 6.385 INCHES MINIMUM AND 6.395 INCHES MAXIMUM |  | DRIVE TYPE | SLOTTED FACE |  | MATERIAL | COPPER ALLOY UNS C63200 |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINING RING ASSY |  | SPECIAL FEATURES | ASSEMBLY INCLUDES PC 220-1 (RETAINING RING) AND PC 220-2 (THREAD INSERT, 0.125 DIA, 0.156 LG |  | SCREW THREAD SERIES DESIGNATOR | UN |  | SETSCREW LOCKING NOTCH | NOT INCLUDED |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD SIZE | 6.375-16 |  | WIDTH | 0.320 INCHES NOMINAL | 
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