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 6135-00-455-2425
NSN 6610-00-737-0864
NSN 5835-01-497-5029
NSN 5915-01-544-8740
NSN 4140-01-335-3451
NSN 6610-01-388-8664
NSN 5915-01-003-3369
NSN 2925-01-359-9818
NSN 6685-01-100-1071
NSN 5990-01-305-4891
NSN 6240-01-533-8941
NSN 5935-00-529-0319