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 4140-01-160-7699
NSN 2925-00-759-4146
NSN 6130-01-284-3107
NSN 5855-01-461-9207
NSN 6105-01-562-6054
NSN 6110-00-288-4179
NSN 5950-01-026-0902
NSN 5965-00-997-5764
NSN 5905-01-373-3835
NSN 5975-00-081-2171
NSN 5910-00-288-0420
NSN 6105-01-417-2174