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 5975-01-445-6169
NSN 5855-01-010-4921
NSN 6240-01-504-7064
NSN 2925-01-251-5725
NSN 5999-01-093-4593
NSN 6105-01-123-1937
NSN 5920-01-406-3462
NSN 6620-00-147-3139
NSN 5930-01-536-5451
NSN 6610-01-153-8625
NSN 5996-01-633-7979
NSN 6645-01-167-5814