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 6685-01-433-3057
NSN 5910-01-578-8593
NSN 5925-00-043-2927
NSN 5990-01-160-6978
NSN 6110-00-283-3630
NSN 5935-00-088-5599
NSN 2925-01-157-9204
NSN 5905-00-167-1693
NSN 6240-01-100-1279
NSN 6645-01-461-7704
NSN 5945-01-442-5669
NSN 5910-01-513-8287