Cage code 3s597 is the oem, they do not sell to the government.
NSN 5930-00-044-1882
NSN 5925-01-466-5675
NSN 6130-00-801-3803
NSN 5835-00-838-0707
NSN 5855-01-341-2518
NSN 5999-01-660-4286
NSN 5960-01-036-1223
NSN 5999-01-472-3618
NSN 6110-00-999-8909
NSN 5985-01-364-7276
NSN 6220-01-634-0660
NSN 5965-01-645-2809