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 5985-00-115-1837
NSN 6610-00-807-6620
NSN 6645-00-376-4829
NSN 6610-01-461-8180
NSN 5910-00-444-6766
NSN 6145-00-089-6945
NSN 7035-01-503-2362
NSN 6320-01-056-1164
NSN 5910-01-495-5184
NSN 6685-01-070-6341
NSN 6320-01-564-0893
NSN 5935-01-418-9065