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 5915-01-442-8469
NSN 6620-01-415-5803
NSN 6135-01-388-2761
NSN 5990-01-485-0260
NSN 5935-00-255-3732
NSN 5935-01-376-1708
NSN 6110-01-445-8999
NSN 5960-01-199-6953
NSN 2925-01-029-0467
NSN 6240-00-929-8574
NSN 5910-01-216-7310
NSN 6610-01-188-8163