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 6110-00-323-9816
NSN 2925-00-644-0028
NSN 6650-01-519-9165
NSN 5905-00-104-5963
NSN 6320-00-809-5744
NSN 6145-01-460-0598
NSN 5855-01-268-6468
NSN 5996-01-331-4276
NSN 5999-00-740-8259
NSN 5935-01-293-2449
NSN 4140-01-357-7867
NSN 6145-01-625-1037