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 6145-01-406-3387
NSN 5965-00-462-6887
NSN 5998-01-188-7970
NSN 6240-00-067-7526
NSN 5990-00-548-6163
NSN 5915-00-030-7193
NSN 6150-01-266-6111
NSN 6650-01-217-9375
NSN 5998-00-528-9032
NSN 5999-01-508-2041
NSN 5895-00-011-7880
NSN 6135-01-386-5709