4730-00-640-5856 REDUCER,BOSS Index 4730-00-640-5858 REDUCER,BOSS

National Stock Number:
4730-00-640-5857

Federal Supply Class:
4730

National Item Identification Number:
006405857

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:
AS219160U583SAE INTERNATIONAL
AS2191681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916D10-40U583SAE INTERNATIONAL
ER919D10-479470DANA CORP WEATHERHEAD DIV
MS21916D10-481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916D10-496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CRITICALITY CODE JUSTIFICATIONFEAT
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT FIRST RESPONSE
NOMINAL OVERALL LENGTH1.438 INCHES
NOMINAL THREAD SIZE0.875 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES SECOND END
REDUCER TYPECONCENTRIC
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA96906-MS21916 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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