MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Magnesium alloy qq-m-56 comp az91c-t6, dichromate treated mil-m-3171 typ3 cover, steel ams6260 comp 4310 type 1cadmium-plated qq-p-416 liner, dim., 8.000 in. Nom flange od, 0.156 in. Nom flange thk, 0.905 in. Min, 0.915 in. Maximum cover ht, 6.810 in. Nom cover od, 0.745 in. Min, 0.755 in. Maximum inside cover depth, 0.395 in. Min, 0.400 in. Maximum raised center ht, 2.320 in. Raised center od, 1.996 in. Min, 1.997 in. Maximum raised centerid, one flanged steel liner no. S6137-91201-101 installed in raised center idw/1.835 in. Liner id by 0.685 in. Lg, eight holes 0.205 in. Diameter equally spaced on 7.500 in. Diameter bolt circle, three lightening holes 1.500 in. Diameter equallyspaced on 4.310 in. Diameter bolt circle, three holes 0.500 in. Diameter equally.Spacedon cover od at 38.0 degrees angle startingat 52.0 deg.Item used on auxiliary power plant