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 6220-01-141-8200
NSN 5920-01-633-5104
NSN 5985-01-173-9928
NSN 6105-01-073-4164
NSN 7035-01-265-2301
NSN 6145-01-162-3131
NSN 5945-01-403-2800
NSN 5960-01-602-6009
NSN 6650-00-005-8572
NSN 6130-01-547-5197
NSN 5920-01-398-5514
NSN 5998-01-323-5761