TM 5-4220-227-14 (1) (2) (3) (4) (5) Illus National Stock Description Usable Qty Number Number CAGE and Part Number On Code U/M Rqr 1 Box, Communications EA 1 2820-4003 2 CO2, Scrubber DH-21 EA 1 3 8120-00-151-9757 Cylinder, Oxygen, W/K- EA 6 Valve (200 Cu Ft, 1800 PSI, DOT No.  3AA1800 4 FM 20-11-1, Military EA 1 Diving NAVSEA 0994-LPOO1-9010 5 6685-01-212-2763 Gage, Divers, 0-250 FSW EA 3 25646 23821 6 Ground Fault Interrupter EA 1 Woodhead 1670 7 Heater/Chiller Module EA 1 CCM-04 8 Heater/Chiller Unit EA 1 CCU-02 9 4720-00-230-6533 Hose, Low Pressure, 50-Ft EA 4 10 Hose, Oxygen HD, 50-Ft, EA 2 3000 PSI 11 4220-01-173-5385 Mask, Diver's, Inhalator, EA 2 Long 53655 803139-01-03 12 4220-01-173-5384 Mask, Diver's, Inhalator, EA 2 Med 53655 803139-01-02 13 Mask, Diver's Inhalator, EA 2 short 53655 803139-01-01 14 Oxygen Analyzer 320 EA 1 B/RC C-4 Change 2