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 5920-01-414-6439
NSN 6685-01-429-8922
NSN 5965-01-415-2898
NSN 6110-00-190-7523
NSN 5920-01-072-0652
NSN 2925-01-370-6898
NSN 6135-01-142-2417
NSN 6130-01-130-8891
NSN 6220-01-274-3545
NSN 6320-01-033-6624
NSN 6650-00-406-2645
NSN 5930-01-525-6838