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 6645-01-205-0549
NSN 5905-01-417-2183
NSN 6135-01-377-5729
NSN 5965-01-271-0808
NSN 6650-01-003-9355
NSN 6610-01-167-1771
NSN 6240-00-470-7625
NSN 6610-01-306-8530
NSN 5945-00-472-3558
NSN 5950-00-686-4449
NSN 6685-01-410-7583
NSN 5930-01-119-9223