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 6220-00-249-4751
NSN 6130-00-983-5539
NSN 5965-00-852-6258
NSN 6650-01-129-8343
NSN 5965-00-578-8516
NSN 4140-01-615-9954
NSN 6240-00-908-0377
NSN 4140-00-242-6465
NSN 6105-01-389-0592
NSN 5920-01-524-0222
NSN 5910-01-566-3296
NSN 6220-01-362-5303