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 5999-01-433-5977
NSN 6620-01-415-5803
NSN 5925-00-222-8263
NSN 6110-01-147-0656
NSN 6320-01-176-8367
NSN 5895-01-352-6674
NSN 6320-01-585-8468
NSN 5950-00-792-8082
NSN 5945-01-364-8496
NSN 5835-00-251-9138
NSN 6685-01-344-9389
NSN 6610-01-291-4173