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 5935-00-679-0479
NSN 4140-01-214-1968
NSN 5930-01-457-5670
NSN 5855-01-609-1869
NSN 6110-01-131-5199
NSN 5920-01-106-7549
NSN 5915-01-528-2523
NSN 6610-01-121-4925
NSN 5965-01-241-0553
NSN 5990-01-423-8189
NSN 5999-01-229-3372
NSN 5895-01-093-0591