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 6145-00-752-2562
NSN 5930-00-775-3784
NSN 6145-01-268-3816
NSN 6110-01-200-8182
NSN 5990-01-143-2518
NSN 5910-01-505-7235
NSN 7035-00-703-3535
NSN 5950-00-144-4139
NSN 5905-01-362-5901
NSN 6620-01-539-5189
NSN 5925-01-507-8258
NSN 6145-00-437-8960