4730-00-409-3903 NIPPLE,TUBE Index 4820-00-409-3905 COCK,DRAIN

National Stock Number:
4730-00-409-3904

Federal Supply Class:
4730

National Item Identification Number:
004093904

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:
4730PL06452919009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AN893-1488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5172-0616L0U583SAE INTERNATIONAL
SAE-AS48750U583SAE INTERNATIONAL
AS5172-0616L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS24397-1496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 COM+1137 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 COM+1141 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1137 AND STEEL COMP 1141 OVERALL
NOMINAL OVERALL LENGTH0.969 INCHES
NOMINAL THREAD SIZE1.312 INCHES SECOND END
NOMINAL THREAD SIZE0.562 INCHES FIRST END
REDUCER TYPECONCENTRIC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A SECOND END
THREAD CLASS3B FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD QUANTITY PER INCH12 FIRST END


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