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 6320-00-809-5744
NSN 6610-01-464-2508
NSN 5915-01-293-2162
NSN 6320-01-426-8947
NSN 6620-01-357-7751
NSN 5910-01-468-5571
NSN 5990-00-373-9787
NSN 6620-01-583-7089
NSN 6645-01-069-3286
NSN 5895-01-304-3814
NSN 6240-01-355-4425
NSN 5999-00-825-2562