FITTING
P/N 526-6D
PN MIL-DTL-83798D
PN MIL-F-83798/1
PN MS87018-6 
PN M83798/1-6
PN 676-6D
PN 137-1000-6D
PN 816-6D
NSN 4730-00-613-1859
MFG EATON
 
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                            3B 1ST END                                        
MAXIMUM OPERATING TEMP                  250.0 DEG FAHRENHEIT SINGLE RESPONSE             
END ITEM IDENTIFICATION                 USED ON BOEING VERTOL CARGO TRANSPORT HELICOPTER,
                                        MODEL CH-47                                       
CONNECTION STYLE                        SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END 1ST
                                        END GRIPPING NIPPLE (NOSE) 2ND END               
CONNECTION TYPE                         THREADED INTERNAL TUBE 1ST END THREADED EXTERNAL 
                                        HOSE GRIPPING 2ND END                            
MAXIMUM OPERATING PRESSURE              1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE    
NOMINAL THREAD SIZE                     0.562 INCHES 1ST END                             
SEAT ANGLE                              37.0 DEGREES 1ST END                             
NOMINAL INSIDE DIAMETER                 0.344 INCHES 2ND END                             
HOSE ACCOMMODATED                                                                        
NOMINAL OUTSIDE DIAMETER                0.547 INCHES 2ND END                             
HOSE ACCOMMODATED                                                                         
NOMINAL OUTSIDE DIAMETER                0.375 INCHES 1ST END                             
TUBE ACCOMMODATED                                                                        
NOMINAL OVERALL LENGTH                  1.480 INCHES                                      
SPECIAL FEATURES                        GRUMMAN CORP,A-10 AIRCRAFT                       
MATERIAL                                ALUMINUM ALLOY OVERALL                           
MEDIA FOR WHICH DESIGNED                AERONAUTICAL FLUID SINGLE RESPONSE               
SURFACE TREATMENT                       ANODIZE OVERALL                                  
DEFINITIVE GOVERNMENT                   M83798/1-6                                       
SPEC/STD REFERENCE                                                                        
MANUFACTURERS CODE                      81349                                            
NON-DEFINITIVE GOVERNMENT               MIL-DTL-83798D                                   
SPEC/STD REFERENCE                                                                       
SPEC/STD CONTROLLING DATA               81349                                            
MANUFACTURERS CODE                                                                        
SURFACE TREATMENT DOCUMENT              MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE    
AND CLASSIFICATION                      OVERALL                                          
THREAD SERIES DESIGNATOR                UNF 1ST END                                       
FURNISHED ITEMS AND                     1 HOSE COUPLING NUT                              
QUANTITY                                                                                 
SPECIFICATION/STANDARD DATA             81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION