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 5930-00-952-2639
NSN 5960-01-505-2426
NSN 5935-01-337-3849
NSN 6240-01-509-4027
NSN 6320-01-054-3046
NSN 5925-01-649-6225
NSN 5920-00-992-1820
NSN 6240-01-537-1832
NSN 4140-01-444-3400
NSN 6105-00-151-7528
NSN 5920-01-051-2239
NSN 6620-01-343-6671