3439-00-684-7242 SOLDER,LEAD-TIN ALLOY Index 5365-00-684-7244 PLUG,MACHINE THREAD

National Stock Number:
4730-00-684-7243

Federal Supply Class:
4730

National Item Identification Number:
006847243

Description:
REDUCER,BOSS

Detail:
A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).


Manufacturer Information:
AN893-16C88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN893-16J88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS51720U583SAE INTERNATIONAL
AS517281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517J0812L0U583SAE INTERNATIONAL
AS517J0812L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE AS517281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE-AS48750U583SAE INTERNATIONAL


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL OVERALL LENGTH1.344 INCHES
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE1.062 INCHES 2ND END
REDUCER TYPECONCENTRIC
SPECIAL FEATURESDRILLED FOR LOCKWIRE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENTPASSIVATE INSIDE
SURFACE TREATMENTPASSIVATE OUTSIDE
THREAD CLASS3A 2ND END
THREAD CLASS3B 1ST END
THREAD SERIES DESIGNATORUN 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD QUANTITY PER INCH12 1ST END


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