4730-00-640-7189 REDUCER,BOSS Index 4730-00-640-7191 REDUCER,BOSS

National Stock Number:
4730-00-640-7190

Federal Supply Class:
4730

National Item Identification Number:
006407190

Description:
ADAPTER,STRAIGHT,TUBE TO 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:
ER894D12-1079470DANA CORP WEATHERHEAD DIV
MS21915D12-100U583SAE INTERNATIONAL
SAE-AS182800U583SAE INTERNATIONAL
MS21915D12-1079470DANA CORP WEATHERHEAD DIV
MS21915D12-1096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
THREAD SERIES DESIGNATORUNJ 1ST END
UNJF 2ND END
NOMINAL THREAD SIZE0.875 INCHES 1ST END
1.062 INCHES 2ND END
THREAD QUANTITY PER INCH12 1ST END
THREAD CLASS3B 1ST END
3A 2ND END
NOMINAL OVERALL LENGTH1.891 INCHES
REDUCER TYPECONCENTRIC
SPECIFICATION/STANDARD DATA96906-MS21915 GOVERNMENT STANDARD


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