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 5985-01-228-0530
NSN 6110-01-463-3395
NSN 4140-00-399-5994
NSN 7035-01-364-8454
NSN 5855-01-083-9053
NSN 5960-01-495-0859
NSN 5920-01-517-8474
NSN 6685-01-416-0106
NSN 6610-01-141-7014
NSN 5835-00-106-2120
NSN 6105-00-799-6532
NSN 5905-00-360-5058