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 5985-00-903-9756
NSN 6610-01-515-3363
NSN 6220-01-450-1253
NSN 6110-00-372-4780
NSN 5835-01-537-1228
NSN 5905-00-549-9944
NSN 6105-01-440-9860
NSN 4140-01-039-8885
NSN 2925-01-043-9786
NSN 6105-01-509-6049
NSN 6110-01-190-5512
NSN 6645-00-385-3684