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 5985-01-431-9757
NSN 5915-00-457-4494
NSN 5950-00-735-2149
NSN 5945-01-497-4733
NSN 5965-01-543-2937
NSN 5915-01-330-1448
NSN 5930-01-364-4758
NSN 6645-00-736-0476
NSN 5990-01-174-6851
NSN 6610-01-211-6182
NSN 5920-01-659-3589
NSN 6320-01-422-1212