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 5930-01-261-4815
NSN 5990-00-794-9032
NSN 5998-01-570-9038
NSN 6150-01-227-2595
NSN 6150-01-396-4407
NSN 6135-00-276-7625
NSN 6620-01-542-9999
NSN 6685-00-909-9768
NSN 5960-00-812-7166
NSN 5920-01-143-5002
NSN 5920-00-919-8520
NSN 6610-00-618-6192