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 5835-01-315-6571
NSN 6135-01-457-2855
NSN 6135-01-448-4680
NSN 6105-00-848-9835
NSN 5975-01-108-9000
NSN 5975-00-348-7427
NSN 4140-01-222-2140
NSN 5965-00-170-5254
NSN 5985-01-140-9479
NSN 6650-00-411-4925
NSN 6105-01-260-1303
NSN 6320-00-116-3658