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 5990-01-364-0813
NSN 5996-01-018-4654
NSN 5915-00-235-9420
NSN 5915-01-210-4274
NSN 6620-00-102-3950
NSN 5975-00-102-9639
NSN 2925-01-381-5307
NSN 6105-01-429-0232
NSN 5996-01-540-5020
NSN 6320-00-098-2858
NSN 5960-00-051-0132
NSN 5945-01-141-7017