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 4140-01-620-2498
NSN 4140-01-280-4708
NSN 5915-00-087-7072
NSN 6620-01-147-5615
NSN 5910-01-503-6452
NSN 6105-00-627-4499
NSN 6220-01-123-8878
NSN 5960-00-600-7370
NSN 6135-00-284-1406
NSN 6150-01-630-8169
NSN 5910-01-016-2420
NSN 5910-00-753-7581