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 5960-00-235-9251
NSN 6150-01-386-8004
NSN 5835-01-522-1023
NSN 4140-01-569-6113
NSN 6685-01-380-1159
NSN 5925-01-536-8386
NSN 5975-01-123-8380
NSN 5975-01-310-8803
NSN 5910-00-144-4383
NSN 6150-01-347-9051
NSN 5965-01-464-7983
NSN 5910-01-395-2052