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 5965-01-355-7164
NSN 6610-01-461-8180
NSN 5920-01-357-0997
NSN 6220-00-900-7595
NSN 5925-01-498-4770
NSN 5950-01-372-1472
NSN 6105-01-444-3849
NSN 5930-01-294-3711
NSN 6150-00-121-9065
NSN 5985-01-445-7213
NSN 6240-00-226-8743
NSN 4140-01-240-3300