MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Nickel-copper, qq-n-288 class a or copper-nickel, mil-c-20159, 70-30 alloy, weldable; flange od 29.000; flange id 17.677 in. Min and 17.687 in. Max; body od 22.500 in.; body id 19.371 in. Min and 19.375 in. Maximum by 4.495 in. Min aand 4.505 in. Maximum dp; groove for packing, preform diameter 22.240 in. Min and 22.250 in. Max; flange thk1.250 in.; total thk 4.875 in.; one boss drilled and tapped for 0.375-ips thread; 22 through holes 1.031 in. Diameter on 26.750 bolt circle; 12 holes 1.250 in. Deep, tapped for 0.750-10 thread on 21.000 in. Bolt circle