MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Controlled environmental gas furnace; interchangeable heating elements; large chamber to accomodate wide variety of grips, fixtures, extensometers flexible for conducting material tests in hi temperature environment; -01 options semi-automatic diffusion pump for vacuum to 10-6 torr range, manual optical pyrometer system, fully automatic optical pyrometer system, power supply for 2500 degc, optical extensometer windows, 5 thermocouple feed throughs and display, gettering furnace for inert gas purification, liquid nitrogen capable baffle in place of water cooled baffle, turbomolecular pumping system to be used in place of the diffusion pump
