4470-00-889-2260 VALVE,SPECIAL Index 4470-00-889-2263 VALVE,DRAIN

National Stock Number:
4730-00-889-2262

Federal Supply Class:
4730

National Item Identification Number:
008892262

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:
4730PL08084589009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AN893-151D88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS48750U583SAE INTERNATIONAL
AS51720U583SAE INTERNATIONAL
AS517281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS487581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5172D0810L0U583SAE INTERNATIONAL
SAE-AS48750U583SAE INTERNATIONAL
AS5172D0810L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE 487581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE 517281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS24397D15196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALALUMINUM ALLOY OVERALL
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
THREADED EXTERNAL BOSS 2ND END
SURFACE TREATMENTANODIZE INSIDE
ANODIZE OUTSIDE
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
0.875 INCHES 2ND END
THREAD CLASS3B 1ST END
3A 2ND END
NOMINAL OVERALL LENGTH1.375 INCHES
REDUCER TYPECONCENTRIC


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