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 5998-00-137-4149
NSN 6650-01-279-0658
NSN 5945-01-037-2158
NSN 5895-01-610-5758
NSN 5935-01-592-2766
NSN 5920-01-441-6379
NSN 5945-01-174-7419
NSN 7035-00-763-6180
NSN 6645-01-408-4576
NSN 6650-00-254-8966
NSN 5945-00-821-4465
NSN 6645-01-196-6277