OR29270
Oxygen Regulator CRU-73
P/N: 29270-10A-B2
The most important thing we build is trust
The Cobham 29270 automatic diluter-demand means of a flexible hose attached to the outlet
pressure breathing oxygen regulator is a of the regulator. It is designed to be completely
lighted panel instrument designed for use by tested as installed by means of a portable field
aircraft crew members in high altitude flight. tester.
The regulator is installed between the supply
Applications
source and crew member’s mask. Oxygen
supply is provided to the regulator through the This regulator is used on the E-6, F-5, T-38, F-15
port located on the inlet assembly. A built-in (lox), F-16 (lox), C-5, C-17, C-27, C-130, C-141,
pressure reducer regulates the inlet supply KC135, A-10, F-117, E2C and the B-52.
pressure to 50 psig (344.7 kPa). Ambient air,
used for dilution purposes, enters the regulator
through an air valve located on the side of the
unit. Breathing gas is delivered to the mask by
Features
• Automatic safety pressure, pressure breathing and air dilution
• In aircraft testing capability utilizing Cobham’s PBG Regulator
Field Tester, Part No. 3300223
• Integrally illuminated panel
4.25 in
• Flow indicator provides indication of oxygen flow with each breath (10.8 cm)
• Integral outlet pressure relief valve
• Night vision lighting configuration available
• Commercial aviation configuration available
Specifications
Weight: 2.75 lbs (1.3 kg) max
Temperature: -65F to 160F (54C to 71C)
Gage pressure range: 0 to 500 psig (0 to 3,447.4 kPa)
0 to 2,000 psig - 6B-B1 (0 to 13,790 kPa)
OXYGEN REGULATOR
Maximum ceiling: 48,000 ft (14,630.4 m) PRESSURE DEMAND
Oxygen mask: Type MBU-5/P or equivalent
Military specification: MIL-R-83178 FLOW 3.00 in
(7.6 cm)
FAA specification: TSO-C89 for the 10A-B3 EMERGENCY
100%
OXYGEN
ON
NORMAL
TEST
SUPPLY
NORMAL OFF
MASK OXYGEN
5.75 in
(7.6 cm)
CAGE Code 99251
For further information please contact:
Cobham Life Support
2734 Hickory Grove Road
Davenport, IA 52804 USA
Tel: +1 (563) 383 6000
Fax: +1 (563) 383 6323
ADV10479 REVC © Cobham plc, 2009
Carleton Life Support Systems Inc. is doing business as Cobham Life Support. The information contained in this brochure is given in good faith
and is intended for guidance only. It should not be used for specifications and no warranty is given or is implied with respect to such information. www.cobham.com/lifesupport
