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 6135-01-226-4071
NSN 6145-01-436-0285
NSN 6220-01-574-8490
NSN 5920-00-834-0616
NSN 6135-01-534-3007
NSN 6110-01-481-2807
NSN 6620-01-515-2790
NSN 5835-01-461-8184
NSN 5835-01-209-6410
NSN 2925-01-351-9748
NSN 6620-01-195-7817
NSN 5996-01-316-2743