A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5945-00-778-5121
NSN 6145-01-364-0074
NSN 6620-00-280-2874
NSN 5895-01-416-1523
NSN 6610-01-605-2451
NSN 6645-01-467-9983
NSN 5960-01-412-9474
NSN 5920-00-308-9743
NSN 5975-01-552-5221
NSN 5945-00-939-0253
NSN 6135-00-919-1117
NSN 5920-01-333-1314