For a midmark dental light head
NSN 6145-01-474-8333
NSN 4140-01-400-3610
NSN 5905-01-208-7954
NSN 6610-01-218-6246
NSN 6645-01-651-9562
NSN 6610-01-056-1335
NSN 5925-01-167-7747
NSN 6150-01-134-4623
NSN 6220-01-043-6500
NSN 6145-01-248-7887
NSN 5855-01-152-0506
NSN 4140-01-412-9420