The entrance hole is 0.380 inches dia. And is "d" shaped.
NSN 6320-01-607-1491
NSN 5920-01-227-1332
NSN 6645-01-546-0491
NSN 5920-00-590-4192
NSN 5965-00-529-0602
NSN 6130-01-265-5094
NSN 5998-00-116-1878
NSN 6320-01-511-1526
NSN 2925-01-067-4446
NSN 5855-01-504-0645
NSN 6610-01-099-9710
NSN 5990-00-402-7721
Last Updated: 02/19/2025