MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
The unit is a pneumatically actuated, spring loaded closed, butterfly type pressure regulator and shutoff valve. The unit in conjuction with a remote mounted bleed air regulator, controls the main engine bleed pressure to a predetermined level. Temperature range -65 to 525 degrees f; pressure range 2.45 to 15.5 psi