4730-00-188-8016 REDUCER,BOSS Index 4730-00-188-8019 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
4730-00-188-8018

Federal Supply Class:
4730

National Item Identification Number:
001888018

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:
AN894-3-288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN894-3-2A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE
AS4875/10U583SAE INTERNATIONAL
AS4875/181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5173-03020U583SAE INTERNATIONAL
AS5173-030281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS4875/10U583SAE INTERNATIONAL


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
MATERIALSTEEL OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES 1ST END
NOMINAL OVERALL LENGTH1.188 INCHES
NOMINAL THREAD SIZE0.312 INCHES 1ST END
NOMINAL THREAD SIZE0.375 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
SPECIFICATION/STANDARD DATA81343-AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD SERIES DESIGNATORUNJF ALL ENDS


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