Two 4-40 unc-2b threaded mtg holes spaced 0.500 in. Apart
NSN 6645-01-188-0213
NSN 4140-01-509-9036
NSN 6110-00-409-1115
NSN 6650-01-428-9958
NSN 5945-01-530-3230
NSN 6320-01-466-4175
NSN 5920-00-533-8024
NSN 5996-01-555-7690
NSN 7035-00-126-1899
NSN 6650-01-212-3964
NSN 6150-00-491-9654
NSN 6620-01-215-0470
Last Updated: 07/31/2025