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 4140-00-197-9712
NSN 5835-01-502-9228
NSN 5945-00-714-5429
NSN 6240-00-167-2467
NSN 6650-01-422-3395
NSN 5960-01-624-1170
NSN 6650-01-592-7778
NSN 5998-00-023-3844
NSN 6220-01-388-7360
NSN 7035-01-463-9855
NSN 2925-01-651-4870
NSN 5855-00-484-8638