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 5895-00-198-5537
NSN 5975-01-618-8305
NSN 6135-01-465-2681
NSN 5999-01-048-7724
NSN 5965-01-364-1232
NSN 6105-01-006-7069
NSN 6220-00-150-0039
NSN 6110-00-993-0102
NSN 6645-01-129-4965
NSN 6645-00-151-5280
NSN 5990-00-193-3028
NSN 5945-00-561-7267