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 4140-01-483-8040
NSN 5905-01-568-5651
NSN 5999-01-490-1779
NSN 7035-00-483-8630
NSN 5835-00-752-6065
NSN 6645-01-255-0391
NSN 6110-00-164-7062
NSN 6650-00-456-1736
NSN 5998-01-432-1596
NSN 6320-00-222-1468
NSN 5990-01-487-0871
NSN 5985-00-405-9037