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 5985-00-087-1437
NSN 5935-01-326-3959
NSN 6320-00-908-6841
NSN 6150-00-100-4373
NSN 6240-00-152-6289
NSN 6135-01-622-0029
NSN 6650-01-195-3957
NSN 5835-01-226-0714
NSN 5835-00-007-6824
NSN 6610-01-415-8008
NSN 6240-00-163-5143
NSN 5835-01-190-0482