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 5920-01-438-3352
NSN 5990-00-594-7291
NSN 5905-00-242-9088
NSN 6610-01-371-3006
NSN 5905-01-650-9580
NSN 4140-00-623-0248
NSN 5965-00-543-1837
NSN 5990-00-963-1799
NSN 6240-01-381-1072
NSN 5915-00-456-0873
NSN 5945-01-276-1087
NSN 5905-01-440-9623