NSN 4730-00-277-1921
Part Details | BOSS ELBOW
4730-00-277-1921 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: AN9394, AN939-4, AN9394, AN939-4, AN9344, AN934-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AN9394, AN939-4, AS519004, AS5190-04, AS5190, AS4875, 8169041, 4730-00-277-1921, 00-277-1921, 4730002771921, 002771921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1963 | 00-277-1921 | 22676 ( ELBOW, BOSS ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-00-277-1921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN939-4 | 30974 | AEROFIT, LLC |
| AN939-4 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN934-4 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN939-4 | 06581 | ALLAN AIRCRAFT SUPPLY CO, LLC |
| AN939-4 | 71563 | COLLINS ENGINEERING CORP |
| AN939-4 | 22995 | CROWN FITTING CO INC |
| AN939-4 | 14798 | DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA |
| AN939-4 | 00624 | EATON-AEROQUIP LLC.DBA AEROSPACE GROUP |
| AN939-4 | 14397 | FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC |
| AN939-4 | 13899 | HYDRO FITTING MANUFACTURINGCORPORATION |
| AN939-4 | R1120 | SATAIR A/S |
| AS5190-04 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5190 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 8169041 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 4730-00-277-1921
| Characteristic | Specifications |
|---|---|
| FLOW ANGLE | 90.0 DEGREES |
| SPECIAL TEST FEATURES | MATERIAL: 4130 CARBON STEEL FORGING OR BAR PER AMS-S-6758 OR AMS 6370,OR TYPE 4140 PER AMS 6382, FINISH:CADMIUM PLATE PER QQ-P-416,TYPE II, CLASS 2, DYE BLACK AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION |
| SPECIFICATION/STANDARD DATA | 88044-AN939 GOVERNMENT STANDARD |
| END ITEM IDENTIFICATION | GRUMMAN A10 AIRCRAFT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FITTING,ELBOW 90(DEGREES),INTERNAL STRAIGHT THREAD PORT |