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 6645-00-067-5962
NSN 5920-00-149-0013
NSN 6145-00-805-5740
NSN 5950-01-021-3823
NSN 5835-01-608-4285
NSN 5835-01-108-4980
NSN 6685-00-959-6767
NSN 4140-01-065-3981
NSN 5835-01-502-9228
NSN 5925-00-781-7988
NSN 6130-01-433-0291
NSN 7035-01-160-4423