Brass, 1.188 square, all corners rounded, 0.562 in. High, shouldered 1.062 in. Dia, threaded 0.312 in. Deep, 0.938-16
NSN 5925-00-761-4505
NSN 5855-00-688-9954
NSN 6135-01-205-5965
NSN 6645-01-362-9621
NSN 4140-01-268-3273
NSN 6685-01-392-1236
NSN 5985-01-152-6063
NSN 5895-01-543-2741
NSN 6135-01-061-1862
NSN 6150-01-391-3486
NSN 6645-01-626-0411
NSN 5835-01-216-5639