Space & Aviation

Apollo-era Marquardt R-4D rocket engine designed for application as a Attitude Control, Reaction Control System (RCS) and primary propulsion thruster,

Apollo Command Module Environmental Control System (ECS) Component, measuring 14˝ long and 5˝ in diameter, marked on the side, "828097

Early Apollo Block II Overcurrent Sensor, measuring 3.75˝ x 3.25˝ x 3.5˝, with a Kinetics tag on on side, reading: "Overcurren

Apollo Block II Overcurrent Sensor and Transfer Switch. The early Apollo Block II Overcurrent Sensor measures 3.75˝ x 3.25˝ x 3.5

Apollo Command Module Environmental Control System (ECS) Component, measuring 12˝ long and 4˝ in diameter, marked on the side, "DWO 24

Red rubber Apollo Command Module Block II Sextant Seal Gasket, measuring approximately 22˝ x 14.5˝ x 1˝, marked on the outer e

Apollo Command Module electrical junction box for connection of wiring between multiple onboard systems, measuring 7.5 x 7.5 x 1.75, stamped on one ed

Apollo Command Module GSE (Ground Systems Equipment) pressure relief valve, measuring 4˝ x 2˝ x 1.75˝, marked on the body: "Va

Large beta cloth storage pouch utilized to stow photographic equipment in the Astronaut Preference Kit (APK), measuring approximately 19 x 23, labeled

Apollo Command Module Block II Up-Data Link (UDL) equipment measuring approximately 9 x 17.75 x 5.5, labeled “C28-1A103.” The unit h

Two glycol evaporator control electronics modules for the Apollo Command Module Environmental Control System (ECS), mounted together in a 16.5

Apollo Command Module Glycol Heater, measuring 7.5˝ x 5˝ x 4˝, with an LTV Aerospace Missiles and Space Division tag on the si

Coupling Data Unit Test Adapter, likely Apollo program affiliated, used as ground equipment, measuring 3.25˝ x 4˝ x 2.5˝, mark

Cryogenic hydrogen ground coupling used to fill the Apollo CSM's hydrogen tanks pre-launch, measuring 10˝ long with a diameter of 3˝,

Apollo Command and Service Module nitrogen tetroxide valve assembly made by Simmons Precision Products of Yorktown, New York, measuring approximately

Apollo CSM Propellant Electrical Control Unit used to regulate the flow of oxidizer and fuel in the spacecraft's propellant tanks, manufactured ...

Apollo Command Module (Block II) Data Modulator, measuring 4.25˝ x 4.5˝ x 8.25˝, with a Motorola label on the side, reading: "

Dark brown fiberglass bracket designed for an Apollo Flight Vehicle (potentially to be used on the deck plate), measuring 18.5˝ x 2.25

Rare acrylic display containing a piece of aft heat shield from the AS-201 (CSM-009) spacecraft, which launched from Cape Kennedy LC-34 on February 26

Saturn V UHF transmitter, measuring 14˝ x 5.5˝ x 3.25˝, with NASA/George C. Marshall Space Flight Center tags on two sides, in