| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4730-00-409-0774
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004090774
 
 Description:
 ELBOW,BOSS
 
 Detail:
 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.
 |  
		                        | 
 Manufacturer Information:
 
 | AN941J6 | 00624 | EATON AEROQUIP LLC |  | AN941J6 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC |  | AN941J6 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |  | AN941J6 | 14397 | FABER ENTERPRISES, INC. |  | AN941J6 | 14728 | PRECISION FORM RIVET INC |  | AN941J6 | 22995 | CROWN FITTING CO INC |  | AS5191 | 0U583 | SAE INTERNATIONAL |  | AS5191J06 | 0U583 | SAE INTERNATIONAL |  | AN941J6 | 30974 | AEROFIT, LLC |  | AN941J6 | 71563 | COLLINS ENGINEERING CORP |  | AS5191J06 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS5191 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AN941J6 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AN941J6 | R1120 | SATAIR A/S |  | SAE-AS4875 | 0U583 | SAE INTERNATIONAL |  | SAE AS5191 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | 
 |  
					            | 
 Techincal Specification:
 
 | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |  | MATERIAL | STEEL COMP 304 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE INSIDE |  |  | PASSIVATE OUTSIDE |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |  |  | MIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |  | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |  | THREAD CLASS | 3B ALL ENDS |  | LEG LENGTH | 0.719 INCHES MINIMUM AND |  |  | 0.766 INCHES MAXIMUM 1ST END |  | FLOW ANGLE | 45.0 DEGREES | 
 |  |