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 6620-00-728-3445
NSN 6650-01-305-8881
NSN 4140-01-068-3500
NSN 6135-00-519-1325
NSN 6145-00-119-8201
NSN 5965-01-466-1154
NSN 5996-00-494-3621
NSN 5835-01-592-2350
NSN 5945-01-350-1997
NSN 5999-01-379-0935
NSN 5910-01-148-0987
NSN 5835-00-946-2656