4730-01-283-8187 ADAPTER,STRAIGHT,TUBE TO BOSS Index 4730-01-283-8189 ADAPTER,STRAIGHT,TU

National Stock Number:
4730-01-283-8188

Federal Supply Class:
4730

National Item Identification Number:
012838188

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:
AN894C5-488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN894J5-488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4875/10U583SAE INTERNATIONAL
AS5173J05040U583SAE INTERNATIONAL
AS5173J050481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS4875/181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24398J5-496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIALSTEEL COMP 304 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END
NOMINAL OVERALL LENGTH1.500 INCHES
NOMINAL THREAD SIZE0.438 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA88044-AN894 GOVERNMENT STANDARD AND 81343-AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A FIRST END
THREAD CLASS3B SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END


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