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 5920-01-576-0181
NSN 5895-01-509-3285
NSN 6110-01-514-0046
NSN 6105-00-721-6780
NSN 5999-01-331-1583
NSN 5925-00-160-4747
NSN 6685-01-444-9520
NSN 5960-00-088-2686
NSN 6220-00-686-5328
NSN 5999-00-035-9288
NSN 2925-01-134-9175
NSN 6650-01-495-1058