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 5950-00-949-4487
NSN 4140-01-135-0998
NSN 5855-00-316-5050
NSN 6110-01-088-7198
NSN 6610-01-261-1781
NSN 5895-01-091-6252
NSN 5910-01-082-3451
NSN 5905-01-528-7879
NSN 5965-01-192-8989
NSN 5996-00-270-0340
NSN 6145-00-457-0324
NSN 5920-01-249-4544