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 5998-01-491-4529
NSN 6650-01-343-8008
NSN 6685-01-592-9681
NSN 5945-00-290-1779
NSN 6110-00-864-7507
NSN 6105-00-031-1696
NSN 6240-00-820-1705
NSN 6620-00-740-3699
NSN 6110-01-133-1947
NSN 6620-00-963-1319
NSN 5960-00-984-6164
NSN 6135-01-435-8451