Base has 4 holes with .380 diameter
Classification: Military equipments not identified by kind
NSN 5985-00-203-1200
NSN 5835-00-092-1136
NSN 6645-01-645-2767
NSN 6320-01-409-1388
NSN 5895-00-700-4622
NSN 6650-00-903-6670
NSN 5920-01-557-1156
NSN 6320-01-176-8367
NSN 6145-01-546-8556
NSN 6620-01-116-3983
NSN 7035-01-352-6235
NSN 6110-01-316-4340