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 5985-01-268-7323
NSN 5990-01-307-4489
NSN 5895-00-421-8632
NSN 5920-00-394-9529
NSN 6650-00-779-7294
NSN 5998-01-010-4508
NSN 6240-00-899-6990
NSN 5905-00-221-3346
NSN 4140-00-248-6089
NSN 6650-01-259-5940
NSN 6610-00-594-6372
NSN 5925-01-274-9349