NSN 4730-00-278-3683

Part Details | BOSS ELBOW

4730-00-278-3683 A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/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. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes ELBOW, TUBE.

Alternate Parts: AN939D6, AN939D6, AN927D6, AN9276D, AN927-6D, AN939D6, 7145696, AN939D6, AN939D6, AN939D6, AN939D6, AN939D6, MILF5509, MIL-F-5509, AN939D6, AS5190W06, 4730-00-278-3683, 00-278-3683, 4730002783683, 002783683

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-368322676 ( ELBOW, BOSS )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-00-278-3683
Part Number Cage Code Manufacturer
AN939D630974AEROFIT, LLC
AN939D688044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN927D688044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN927-6D88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN939D606581ALLAN AIRCRAFT SUPPLY CO, LLC
714569619204ARMY, UNITED STATES DEPARTMENT OFTHE
AN939D671563COLLINS ENGINEERING CORP
AN939D614798DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA
AN939D600624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
AN939D614397FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC
AN939D613899HYDRO FITTING MANUFACTURINGCORPORATION
MIL-F-550981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
AN939D6R1120SATAIR A/S
AS5190W0681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-278-3683
Characteristic Specifications
FLOW ANGLE90.0 DEGREES
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA88044-AN939 GOVERNMENT STANDARD AND 81349-MIL-F-5509 GOVERNMENT SPECIFICATION
CRITICALITY CODE JUSTIFICATIONFEAT