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 4140-01-133-9011
NSN 5930-01-436-4326
NSN 6150-01-657-4712
NSN 4140-01-415-1187
NSN 5895-01-433-3195
NSN 5985-01-188-3875
NSN 6650-01-003-6929
NSN 5835-00-779-2836
NSN 5990-00-871-9528
NSN 5930-01-421-3329
NSN 6220-00-927-6272
NSN 5930-01-374-7311