1660-00-021-5554 VALVE ASSEMBLY,ENVIRONMENTAL CON Index 4820-00-021-5556 VALVE,CHECK

National Stock Number:
4730-00-021-5555

Federal Supply Class:
4730

National Item Identification Number:
000215555

Description:
ADAPTER,STRAIGHT,TUBE TO BOSS

Detail:
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.


Manufacturer Information:
26320047-0245153HAMILTON SUNDSTRAND CORPORATION
26320047-0255820RTX CORPORATION
26320047-0279318MEGGITT NORTH HOLLYWOOD INC
26320047-0299167HAMILTON SUNDSTRAND CORPORATION
3A97002-10398897LOCKHEED MARTIN CORP


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
PROPRIETARY CHARACTERISTICSPACS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES 1ST END
NOMINAL OVERALL LENGTH1.350 INCHES
NOMINAL THREAD SIZE0.500 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END


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