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 2925-01-374-2402
NSN 6645-01-415-2296
NSN 5920-01-017-0687
NSN 6240-01-599-2679
NSN 6685-01-381-5512
NSN 5920-01-631-9111
NSN 5960-00-308-9123
NSN 6130-01-432-2855
NSN 6135-01-334-3935
NSN 5945-01-157-2771
NSN 5910-01-178-6405
NSN 4140-01-508-3910