4730-00-278-6142 REDUCER,BOSS Index 4730-00-278-6149 REDUCER,BOSS

National Stock Number:
4730-00-278-6144

Federal Supply Class:
4730

National Item Identification Number:
002786144

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:
4730PL19952309009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
ER919D24-1601276DANFOSS POWER SOLUTIONS II, LLC
MS21916D24-160U583SAE INTERNATIONAL
ER919D24-1614798DESIGNED METAL CONNECTIONS INC
ER919D24-1679470DANA CORP WEATHERHEAD DIV
MS21916D24-1696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS182800U583SAE INTERNATIONAL


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
NOMINAL OVERALL LENGTH1.750 INCHES
NOMINAL THREAD SIZE1.875 INCHES FIRST END
NOMINAL THREAD SIZE1.312 INCHES SECOND END
REDUCER TYPECONCENTRIC
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
SPECIFICATION/STANDARD DATA96906-MS21916 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3A ALL ENDS


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