4730-00-289-2776 REDUCER,BOSS Index 4710-00-289-2779 TUBE,METALLIC

National Stock Number:
4730-00-289-2777

Federal Supply Class:
4730

National Item Identification Number:
002892777

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:
215-26435-180378TRIUMPH AEROSTRUCTURES, LLC
3117151001JKEMBRAER S.A. DBA EMBRAER
ER894D4-379470DANA CORP WEATHERHEAD DIV
ER919D4-379470DANA CORP WEATHERHEAD DIV
3117151FB459EMBRAER AVIATION INTERNATIONAL
3117151S4956EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA
MS21916D4-300624EATON AEROQUIP LLC
MS21916D4-303647GLOBE AEROSPACE INC
MS21916D4-30U583SAE INTERNATIONAL
MS21916D4-314397FABER ENTERPRISES, INC.
MS21916D4-379470DANA CORP WEATHERHEAD DIV
MS21916D4-396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21916-4-396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21916D4-3R1120SATAIR A/S
SAE-AS182800U583SAE INTERNATIONAL


Techincal Specification:
MATERIALALUMINUM ALLOY 2014 OR
ALUMINUM ALLOY 2024 OVERALL
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 6,CL 2,GOLD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID 1ST RESPONSE
OXYGEN, GASEOUS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP225.0 DEG FAHRENHEIT 1ST RESPONSE
-65.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES 1ST END
0.375 INCHES 2ND END
THREAD CLASS3A ALL ENDS
NOMINAL OVERALL LENGTH1.141 INCHES
REDUCER TYPECONCENTRIC
SPECIFICATION/STANDARD DATA96906-MS21916 GOVERNMENT STANDARD


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