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 5920-01-301-3837
NSN 6135-01-633-8502
NSN 5905-00-256-0410
NSN 6685-01-469-3137
NSN 6650-00-074-2445
NSN 5999-00-395-9465
NSN 5910-01-407-7150
NSN 6150-01-432-1812
NSN 5945-01-015-7991
NSN 6110-01-535-7491
NSN 6240-01-399-8573
NSN 7035-00-205-1932