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 5999-01-204-7809
NSN 6645-01-546-8226
NSN 4140-00-805-0988
NSN 5925-00-206-3580
NSN 6145-01-426-8976
NSN 5925-01-371-3378
NSN 5999-01-418-5371
NSN 6320-01-118-6662
NSN 5895-00-258-3058
NSN 6240-00-954-7853
NSN 6685-00-663-9000
NSN 5996-00-499-8036