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 6620-01-386-5543
NSN 5998-01-393-4763
NSN 5910-00-328-7251
NSN 5990-00-254-4825
NSN 5835-01-412-6901
NSN 5985-01-495-1449
NSN 6685-01-351-7359
NSN 5920-01-442-7685
NSN 5905-00-597-8280
NSN 5905-01-463-6008
NSN 6610-01-496-6758
NSN 6105-01-187-9926