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 5895-01-519-8639
NSN 6135-01-520-4670
NSN 5905-01-136-7202
NSN 6135-01-445-5546
NSN 4140-01-034-9806
NSN 6145-01-634-0388
NSN 5935-01-493-9793
NSN 5905-01-383-2926
NSN 4140-01-437-8253
NSN 5895-01-603-1005
NSN 5895-00-268-7716
NSN 5999-00-580-1876