The oem is cage 2v276
A case specifically designed for electrical-electronic test and measuring equipment. It may be designed to protect against shock and vibration.
NSN 2925-01-327-3069
NSN 5960-01-499-7172
NSN 5985-01-566-5521
NSN 5910-01-432-4619
NSN 5905-01-634-0595
NSN 6105-01-361-9248
NSN 6145-00-231-9762
NSN 5930-00-233-2495
NSN 5998-00-491-8506
NSN 5915-01-381-4031
NSN 5935-01-178-7549
NSN 7035-01-136-3618