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 6220-01-494-7073
NSN 6320-00-894-1644
NSN 5950-01-048-1671
NSN 5975-00-419-3256
NSN 5915-01-063-8546
NSN 6620-00-375-0393
NSN 5996-01-394-5768
NSN 6610-01-394-1799
NSN 5950-00-580-2925
NSN 4140-00-505-1684
NSN 5996-00-912-1966
NSN 5925-01-254-2578