Sole source required by statute 6.302
A length of hose, air duct, air breathing which may have end couplings on one or both end/or incorporates a communication cable. It is designed for use in breathing oxygen system, air line masks, gas masks, and the like. Excludes items which include the branch or fork hoses; assemblies made up of the oxygen breathing hose, communication cable, wiring for face mask heater, and vent and pressure ducts for the anti-gsuit and hose assembly, nonmetallic.
NSN 6240-00-600-7138
NSN 6135-00-073-8939
NSN 6620-01-294-1044
NSN 5999-01-304-7152
NSN 6320-00-194-4252
NSN 6150-00-299-6678
NSN 6320-01-567-9792
NSN 6145-01-003-9741
NSN 7035-01-058-8728
NSN 5965-01-025-5129
NSN 4140-01-322-8124
NSN 5950-01-156-3719