Shield and letters u.S.C.G
NSN 5996-01-517-2328
NSN 5945-01-205-0000
NSN 6105-00-503-5100
NSN 6105-01-265-8693
NSN 5945-01-170-4000
NSN 5910-01-112-6538
NSN 2925-01-408-6205
NSN 6645-00-079-1430
NSN 5905-00-218-1237
NSN 6110-01-656-9013
NSN 5920-01-294-2805
NSN 6130-01-578-1002