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 5935-01-378-6846
NSN 6240-00-925-0841
NSN 5930-01-357-8240
NSN 6150-01-462-8737
NSN 6645-00-601-6793
NSN 6645-00-151-5280
NSN 5935-01-469-0581
NSN 6650-00-415-0273
NSN 5935-01-563-0401
NSN 5950-00-779-9886
NSN 5920-00-005-9804
NSN 5990-00-931-6304