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 4140-01-644-8606
NSN 6150-01-547-7634
NSN 6145-00-161-2394
NSN 6135-01-391-6515
NSN 6685-01-293-9828
NSN 5950-00-851-4753
NSN 5965-01-593-4487
NSN 6220-01-386-3082
NSN 5965-01-508-9695
NSN 6240-01-242-0150
NSN 5998-01-028-2968
NSN 5960-00-581-9719