Crystal Oven Dual HC-6 by Ovenaire SA2C-125 26.5V 75C NSN 5955-00-538-7255

Description:

One of: Vintage crystal oven with sockets for two HC-6/U crystals. Standard octal tube base, operating temperature is 75 and specified heater voltage is 26.5V.  Made by Ovenaire, part number SA2C-125, and NSN is 5955-00-538-7255.

See the last photo for pinout; there's probably a thermal switch between Pin-7 and Pin-1 as the resistance is 0.01.

Crystals are not included; crystals in the photos are for demonstration/example purposes only!

Condition:

New – Open box: New-old-stock in sealed military package.