4730-00-989-3241 ADAPTER,STRAIGHT,TUBE TO BOSS Index 2805-00-989-3248 FLANGE,EXHAUST,PORT

National Stock Number:
4730-00-989-3242

Federal Supply Class:
4730

National Item Identification Number:
009893242

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:
4730009893242SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
MS21915-12-896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
MATERIALSTEEL OVERALL
NOMINAL OVERALL LENGTH1.828 INCHES
NOMINAL THREAD SIZE0.500 INCHES SECOND END
NOMINAL THREAD SIZE1.062 INCHES FIRST END
REDUCER TYPECONCENTRIC
SPECIFICATION/STANDARD DATA96906-MS21915 GOVERNMENT STANDARD
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A SECOND END
THREAD CLASS3B FIRST END
THREAD QUANTITY PER INCH12 FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END


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