The entrance hole is 0.380 inches dia. And is "d" shaped.
NSN 6240-00-372-4841
NSN 5945-01-184-6409
NSN 5935-00-397-2224
NSN 6110-01-460-9078
NSN 5930-01-089-8615
NSN 6685-01-217-9309
NSN 6135-01-468-2970
NSN 5960-01-444-2205
NSN 5960-01-349-2773
NSN 5998-00-238-8236
NSN 6320-01-569-2672
NSN 6320-01-190-1397
Last Updated: 03/10/2025