It's called a adapter kit for a 2.0 cmu mount fixture
NSN 5895-00-912-4745
NSN 4140-00-166-8023
NSN 5855-01-191-3404
NSN 5950-00-128-2258
NSN 5945-00-840-5256
NSN 6105-00-852-8197
NSN 5999-01-498-0811
NSN 5925-01-423-6164
NSN 4140-00-164-6832
NSN 5999-01-166-2461
NSN 6110-01-648-2637
NSN 5985-01-196-8212
Last Updated: 11/22/2024