Used on piping system, cfc-114 air conditioning microprocessor control system, 300 ton water cooling system for lha-1 thru lha-5 ships. 2a all ends thread class un all ends thread series
Used on contractor logistic support model m871, 30-foot trailer, laundry advanced system (ladds), nsn: 2330-00-122-6779 contract daak60-97-c-9222 tm 9-3510-122-24p.. black malleable iron threaded pipe fittings have extra-thick wall. conforms to ansi B16.3. they are also included on ul's "list of inspected fire protection equipment threaded
Used on contractor logistic support model m871, 30-foot trailer, laundry advanced system (ladds),nsn: 2330-00-122-6779 contract daak60-97-c-9222 tm 9-3510-122-24p.. use with schedule 40 stee l nipples threaded