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 6240-01-043-4532
NSN 5950-01-417-2136
NSN 5990-00-704-1643
NSN 5999-01-359-8171
NSN 5915-00-543-9675
NSN 6240-00-617-9599
NSN 6320-01-229-2264
NSN 7035-01-574-2532
NSN 5965-00-954-3011
NSN 5945-00-851-8922
NSN 4140-01-161-3657
NSN 6320-00-977-3930