4730-00-585-6555 COUPLINGXPIPE Index 6695-00-585-6557 INDICATOR,SYMBOL INDICATING

National Stock Number:
4730-00-585-6556

Federal Supply Class:
4730

National Item Identification Number:
005856556

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:
AN919-4J88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5174J06020U583SAE INTERNATIONAL
SAE-AS48410U583SAE INTERNATIONAL
AS5174J060281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS24399J596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL OVERALL LENGTH1.297 INCHES
NOMINAL THREAD SIZE0.312 INCHES 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
REDUCER TYPECONCENTRIC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END


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