4730-00-278-8391 REDUCER,BOSS Index 5355-00-278-8395 KNOB

National Stock Number:
4730-00-278-8392

Federal Supply Class:
4730

National Item Identification Number:
002788392

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:
2-01090F080600624EATON AEROQUIP LLC
4671141F080650948PARKER HANNIFIN CORP STRATOFLEX DIV AIRCRAFT FITTINGS OPN
AS219160U583SAE INTERNATIONAL
DLG12F080614798DESIGNED METAL CONNECTIONS INC
AS2191681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
4671141F080692003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
MS21916-8-60U583SAE INTERNATIONAL
ER312F080614798DESIGNED METAL CONNECTIONS INC
MS21916-8-617419DEUTSCH CO THE
GA7443F080650276PREECE INC DECCA VALVES DIV
ER312F080679470DANA CORP WEATHERHEAD DIV
MS21916-8-681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916-8-696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
STSPB312F080698897LOCKHEED MARTIN CORP
VSF1279F080692215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S637 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1137 OR STEEL COMP 4130 OR STEEL COMP 1141 OVERALL
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SECOND RESPONSE
NOMINAL OVERALL LENGTH1.344 INCHES
NOMINAL THREAD SIZE0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END
REDUCER TYPECONCENTRIC
SPECIAL FEATURESUSED ON GRUMMAN AIRCRAFT,MODEL A10
SPECIFICATION/STANDARD DATA96906-MS21916 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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