Steel per mil-s-6721 type 321; eff 61-0396-9999; nha 16p1555-3; superseded p/n 16p1554-23 ni per ecn 1c046
An item with a threaded or unthreaded hole specifically designed for use with an exhaust pipe, exhaust pipe connector, companion flange or the like in an engine or heater exhaust system. The face of the flange is normally drilled for connecting bolts and/or studs.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 5925-01-236-5570
NSN 5990-01-181-9886
NSN 6220-01-580-9809
NSN 6240-01-175-2046
NSN 6320-01-447-3459
NSN 5985-00-811-4729
NSN 5920-01-299-6479
NSN 5990-01-548-3711
NSN 5925-01-600-2173
NSN 4140-00-630-2153
NSN 6130-01-578-4737
NSN 5999-00-298-8310