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 2925-00-308-0797
NSN 5985-00-156-9287
NSN 5950-01-634-0677
NSN 6650-01-290-4001
NSN 6150-01-618-9747
NSN 5855-01-013-6864
NSN 4140-00-880-0759
NSN 6145-01-132-9913
NSN 6610-00-540-8911
NSN 5985-01-535-1201
NSN 6650-00-035-9297
NSN 6135-01-628-2903