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 6145-01-613-4386
NSN 6110-00-387-3911
NSN 5999-01-068-6842
NSN 4140-01-094-6836
NSN 5990-00-538-7330
NSN 5915-01-503-4028
NSN 6610-01-468-0679
NSN 5960-00-222-6174
NSN 5905-00-391-6398
NSN 5835-01-584-8538
NSN 5965-01-063-3442
NSN 6320-01-268-3072