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 6110-01-502-5617
NSN 5990-00-186-2445
NSN 6145-01-168-7756
NSN 6145-00-199-8066
NSN 6620-01-505-7921
NSN 5855-00-688-9954
NSN 4140-00-269-3189
NSN 6620-01-423-0833
NSN 6145-01-432-2679
NSN 6685-00-203-4485
NSN 5960-00-182-7375
NSN 5960-01-654-4353