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 5975-01-643-2465
NSN 5985-01-422-1453
NSN 5920-00-192-6565
NSN 6130-00-026-9774
NSN 5945-01-386-6176
NSN 6610-00-553-5103
NSN 5999-01-136-3417
NSN 5998-01-198-3842
NSN 6650-00-107-4417
NSN 6135-01-110-9470
NSN 5999-00-097-3788
NSN 6135-01-477-2744