Three concentric circles
NSN 6620-01-083-4672
NSN 5910-00-216-8081
NSN 6650-01-440-9215
NSN 5855-00-951-6483
NSN 6685-01-392-1236
NSN 6610-00-042-8461
NSN 5985-01-543-0964
NSN 5965-01-333-8560
NSN 5985-01-388-0156
NSN 5950-00-998-7002
NSN 5945-01-123-7966
NSN 6645-00-300-0401
Last Updated: 01/10/2025