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 6130-00-904-0211
NSN 6620-01-122-0238
NSN 5999-00-333-8366
NSN 5910-01-155-1317
NSN 6320-01-547-2743
NSN 6150-01-083-9075
NSN 5960-01-461-1384
NSN 4140-00-516-5002
NSN 6685-01-529-6504
NSN 5965-00-142-9052
NSN 6150-01-257-4462
NSN 5950-01-007-8552