It consists of a roll of a specially perforated band that can be cut to a required length and an adjustable fastener that interlocks to make any diameter required.
NSN 6240-01-263-0123
NSN 2925-01-434-6945
NSN 6320-01-476-0686
NSN 6150-01-180-6044
NSN 5920-00-510-5428
NSN 5935-01-352-1942
NSN 6105-00-956-9442
NSN 5945-01-029-3871
NSN 5965-00-316-2768
NSN 5915-00-473-2112
NSN 5930-01-221-4278
NSN 5945-01-364-9191