Apollo A7L spacesuit oxygen umbilical hose. Flexible hose measures almost six-feet long and features two 1.5″ diameter rubber hoses feeding into a single 2.75″ coupling labeled "L." The coupling covering and each hose end is labeled "R. E. Darling Co., Inc.," with reverse side of coupling labeled, "Hose Assy. Umbilical, NAA PN V16-601201-41, REDAR- A10521-4." Includes its original NAA, S & ID tag, labeled "M" and "902646," with part name, "Hose Assy," part number, "V16-601-201-41," contract number, "NAS 9-150," and department, "631." In fine condition. The A7L suits consisted of an inner Pressure Garment Assembly (PGA) that was pressurized with oxygen for breathing, and an outer Integrated Thermal Micrometeoroid Garment (I/TMG) that protected the astronaut from temperature extremes and hypervelocity micrometeoroid punctures while on the lunar surface. Connectors for the primary and back-up oxygen supply, electrical supply, and water for spacesuit cooling were on the front torso area of the A7L suit.
Terms and abbreviations used in our descriptions.