1.160 in. Diameter hole through center; used with cooler detector on the navigational pod, part of (lantirn)
NSN 5895-01-349-6045
NSN 6320-00-036-3688
NSN 5855-01-114-3513
NSN 6105-01-158-4674
NSN 5950-00-902-1911
NSN 6105-01-554-4091
NSN 5975-01-029-9005
NSN 6645-01-157-9080
NSN 6620-01-562-8816
NSN 5935-00-551-8628
NSN 5855-01-546-9423
NSN 5935-00-152-2038