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 5945-00-111-2050
NSN 2925-00-887-2073
NSN 6240-01-588-0971
NSN 6105-01-647-8770
NSN 5996-01-209-0198
NSN 5920-01-201-9144
NSN 5960-01-089-7174
NSN 5835-00-198-4936
NSN 6645-01-523-7171
NSN 5910-00-957-7826
NSN 5910-01-115-9235
NSN 5975-00-107-8198