5310-00-057-4549 WASHER,FLAT Index 4730-00-057-4553 REDUCER,BOSS

National Stock Number:
4730-00-057-4552

Federal Supply Class:
4730

National Item Identification Number:
000574552

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:
AN893-7D88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5172D0506L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS24397D700624EATON AEROQUIP LLC
MS24397D706581ALLAN AIRCRAFT SUPPLY CO., LLC
MS24397D713899HYDRO-FITTING MANUFACTURING CORPORATION
MS24397D714397FABER ENTERPRISES, INC.
MS24397D714798DESIGNED METAL CONNECTIONS INC
MS24397D722995CROWN FITTING CO INC
MS24397D771563COLLINS ENGINEERING CORP
MS24397D796906MILITARY 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 OVERALL
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.562 INCHES 2ND END
THREAD CLASS3B 1ST END
3A 2ND END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.257 INCHES 1ST END
NOMINAL OVERALL LENGTH1.109 INCHES
REDUCER TYPECONCENTRIC
SPECIFICATION/STANDARD DATA96906-MS24397 GOVERNMENT STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN893-7D


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