4730-00-082-2055 REDUCER,TUBE Index 8415-00-082-2066 HELMET,COMBAT VEHICLE CREWMAN'S

National Stock Number:
4730-00-082-2056

Federal Supply Class:
4730

National Item Identification Number:
000822056

Description:
ELBOW,TUBE TO BOSS

Detail:
A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and 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 may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.


Manufacturer Information:
J528P0507482GENERAL ELECTRIC COMPANY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
FLOW ANGLE45.0 DEGREES
LEG LENGTH0.770 INCHES NOMINAL FIRST END
LEG LENGTH0.910 INCHES NOMINAL SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END
NOMINAL THREAD SIZE0.375 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END
SEAT ANGLE37.0 DEGREES FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2470 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENTANODIZE OUTSIDE
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END


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