Aeroquip Adapter Straight to Hose P/N FC7180-0812-4 THREAD CLASS2A 2ND ENDCONNECTION TYPEUNTHREADED EXTERNAL HOSE 1ST END THREADED EXTERNAL BOSS 2ND ENDTHREAD QUANTITY PER INCH12 2ND ENDNOMINAL THREAD SIZE1.750 INCHES 2ND ENDNOMINAL OVERALL LENGTH3.480 INCHESMATERIALNICKEL ALLOY A OVERALLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL-A OR B COLD DRAWN FED SPEC 1ST MATERIAL RESPONSE OVERALLSPEC/STD CONTROLLING DATAMANUFACTURERS CODE81349FURNISHED ITEMS AND QUANTITY2 BOLT. This adapter has been scratched on some area but is never been used Eaton Aeroquip, Inc.