ADAPTER STRAIGHT
P/N 526-4
NSN 4730-01-106-1563
MFG AERO HARDWARE AND SUPPLY 
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   ADAPTER,STRAIGHT,TU
DEFINITION:  An adapter having machine threads (straight threads other than pipe or
             hose series) designed to accommodate a tube on one end or an
             unthreaded end designed to accommodate a tube. The other end has
             standard hose threads, an incomplete part of a threaded end connection
             that grips the hose directly, or is unthreaded and designed to
             accommodate a hose. It is designed to join a tube or tube fitting to a
             hose or hose fitting.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            2B 1ST END                                       
MAXIMUM OPERATING TEMP                  212.0 DEG FAHRENHEIT SINGLE RESPONSE             
CONNECTION STYLE                        SWIVEL NUT INVERTED FLARE (TUBE) 1ST END GRIPPING
                                        NIPPLE (NOSE) 2ND END                            
CONNECTION TYPE                         THREADED INTERNAL TUBE 1ST END THREADED EXTERNAL 
                                        HOSE GRIPPING 2ND END                            
MAXIMUM OPERATING PRESSURE              2750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE    
NOMINAL THREAD SIZE                     0.438 INCHES 1ST END                             
SEAT ANGLE                              37.0 DEGREES 1ST END                              
NOMINAL INSIDE DIAMETER                 0.250 INCHES 2ND END                             
HOSE ACCOMMODATED                                                                        
NOMINAL OUTSIDE DIAMETER                0.328 INCHES 2ND END                             
HOSE ACCOMMODATED                                                                        
NOMINAL OUTSIDE DIAMETER                0.250 INCHES 1ST END                             
TUBE ACCOMMODATED                                                                         
NOMINAL OVERALL LENGTH                  1.625 INCHES                                     
MATERIAL                                STEEL OVERALL                                    
SURFACE TREATMENT                       DICHROMATE OVERALL                               
THREAD SERIES DESIGNATOR                UNF 1ST END