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:
Consists of case, cover, 2 slide rails, one pressure equal valve, 4 latches, 4 rubber bumpers, 4 shock blocks; case with cover and chassis (920065) to be watertight per mil-std-108, and when assembled must meet all reqirements of mil-t-4734c; flange and female closure are aluminum, 6063-t5 per qq-a-200/9; shock blocks are butyl per mil-r-3035, black, composition per mil-std-417, ta 505f, and mil-std-454, req no. 4
