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 6645-01-338-1423
NSN 6645-00-875-0772
NSN 5990-01-504-9265
NSN 6685-01-438-4057
NSN 6645-00-279-1777
NSN 6135-01-408-9244
NSN 6145-01-565-3863
NSN 6685-01-446-8855
NSN 6145-00-158-8704
NSN 5920-01-542-4613
NSN 5945-01-164-4456
NSN 5960-01-328-8248