1. “Manufacturing Technology, Ships Overall Investment Opportunity Study;Navy Manufacturing Technology Bulletin,1980
2. 2. Baskerville, James E. , NAVSHIPYD Pearl Joint Survey Statistical Study, November 1979. (Estimated 35,000 total yearly coupling usage eight naval shipyards).
3. 3. D'Amato, N. , Personal Communication, NAVSHIPYD Norfolk (Code 260), 17 July 1982 (Average $150 savings per installed coupling not including gas free or flushing benefits).
4. 5. Commander, Naval Sea Systems Command, “Heat Recoverable Couplings (HRC) Guidance and Continued Use of,” SEA 53236 Serial 419 dtd. 21 July 1981.