|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4730-00-439-2937
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004392937
 
 Description:
 CROSS,TUBE
 
 Detail:
 A FITTING HAVING FOUR BRANCHES IN THE SAME PLANE WHOSE AXES FORM RIGHT ANGLES. THE CONNECTIONS HAVE MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE OR ARE UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT IS DESIGNED TO BE USED AS A JUNCTION AT THE INTERSECTION OF TUBING AND/OR TUBE FITTINGS. IT MAY HAVE SIDE INLET(S).
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | 2-02521FPNMM | 00624 | EATON AEROQUIP LLC |  | 4671128FPNMM | 50948 | PARKER HANNIFIN CORP STRATOFLEX DIV AIRCRAFT FITTINGS OPN |  | GA7402FPNMM | 03647 | GLOBE AEROSPACE INC |  | DLG003FPNMM | 27228 | COMP-DEC INC |  | 4671128FPNMM | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |  | STSPB003FPNMM | 98897 | LOCKHEED MARTIN CORP |  | VSF1265FPNMM | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | 
 | 
				            
					            | 
 Techincal Specification:
 
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL TUBE 2ND END |  |  | THREADED EXTERNAL TUBE 3RD END |  | CONNECTION STYLE | FLARELESS (TUBE) 1ST END |  |  | FLARELESS (TUBE) 2ND END |  |  | FLARELESS (TUBE) 3RD END |  | SEAT ANGLE | 12.0 DEGREES 1ST END |  |  | 12.0 DEGREES 2ND END |  |  | 12.0 DEGREES 3RD END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END |  |  | 1.000 INCHES 2ND END |  |  | 0.750 INCHES 3RD END |  | THREAD SERIES DESIGNATOR | UN 1ST END |  |  | UN 2ND END |  |  | UN 3RD END |  | NOMINAL THREAD SIZE | 1.625 INCHES 1ST END |  |  | 1.312 INCHES 2ND END |  |  | 1.062 INCHES 3RD END |  | THREAD QUANTITY PER INCH | 12 1ST END |  |  | 12 2ND END |  |  | 12 3RD END |  | THREAD CLASS | 3A 1ST END |  |  | 3A 2ND END |  |  | 3A 3RD END |  | LEG LENGTH | 1.657 INCHES NOMINAL 1ST END |  |  | 1.642 INCHES NOMINAL 2ND END |  |  | 1.642 INCHES NOMINAL 3RD END | 
 |