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 6620-01-632-7669
NSN 7035-01-377-6255
NSN 5945-01-523-7420
NSN 6135-00-947-0406
NSN 6650-01-378-6868
NSN 5925-01-266-6237
NSN 2925-01-291-9997
NSN 6105-00-256-0113
NSN 5990-01-433-3786
NSN 5960-00-822-9222
NSN 6240-01-332-5927
NSN 6135-01-421-1052