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 2925-00-571-5811
NSN 5920-01-089-7903
NSN 5996-00-876-0879
NSN 6130-00-787-3024
NSN 6610-01-141-9979
NSN 6645-00-954-4065
NSN 6130-00-890-0553
NSN 4140-01-234-5717
NSN 5965-01-335-6630
NSN 6130-01-030-0064
NSN 6240-01-160-7934
NSN 5975-00-244-0706