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 5920-01-173-2473
NSN 6610-01-553-4749
NSN 5930-01-058-3763
NSN 6105-01-342-7545
NSN 5990-01-570-5471
NSN 6240-00-099-6894
NSN 7035-01-632-3449
NSN 6610-01-336-0484
NSN 2925-01-657-9741
NSN 5999-00-583-5415
NSN 6110-00-175-3661
NSN 5835-01-550-5094