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 6610-01-509-2048
NSN 6320-01-276-4739
NSN 5930-01-211-2609
NSN 5920-01-609-0277
NSN 5910-01-217-0446
NSN 6610-00-019-6733
NSN 6610-01-461-1644
NSN 5985-00-779-9130
NSN 5895-00-797-9575
NSN 5960-01-272-5642
NSN 6135-01-329-7994
NSN 5998-01-133-7570