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 5975-01-491-7201
NSN 5945-01-563-3718
NSN 6610-01-444-8881
NSN 6220-01-414-7754
NSN 6145-00-141-3888
NSN 6620-00-820-9616
NSN 5920-00-357-0260
NSN 5905-01-542-8836
NSN 5950-01-647-7038
NSN 6320-00-343-1798
NSN 2925-01-519-1707
NSN 6685-01-349-0651