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 6645-00-915-1817
NSN 5950-00-996-8796
NSN 5975-01-526-6566
NSN 6650-01-387-1740
NSN 5960-01-370-4285
NSN 5925-01-179-4774
NSN 5990-01-447-7779
NSN 5895-01-451-4779
NSN 5960-01-416-1942
NSN 5950-01-060-3239
NSN 5950-01-383-8087
NSN 5965-01-196-1526