Outside circumference 80.000 in.
NSN 6645-00-601-6793
NSN 6110-01-018-7117
NSN 5945-00-021-9408
NSN 6610-00-224-4252
NSN 6105-01-089-4100
NSN 5998-01-400-2308
NSN 6610-01-444-2050
NSN 6685-01-555-9296
NSN 6150-01-622-2586
NSN 6645-01-156-6741
NSN 6620-01-015-2470
NSN 5920-01-057-7494