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 5920-01-501-0674
NSN 5985-01-043-7011
NSN 5985-00-297-7526
NSN 5925-01-316-1714
NSN 6135-01-056-4609
NSN 5915-00-383-1471
NSN 5960-01-416-6187
NSN 4140-01-495-8852
NSN 6110-01-342-0688
NSN 5915-01-568-2419
NSN 5945-00-067-8709
NSN 5920-01-206-3977