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 5960-01-054-3752
NSN 6150-00-112-2458
NSN 5935-00-824-8106
NSN 5915-00-473-2112
NSN 6135-00-128-1633
NSN 5930-01-559-8197
NSN 5930-01-305-4090
NSN 4140-01-190-2464
NSN 5960-01-426-4242
NSN 5930-01-014-4406
NSN 6620-00-366-1365
NSN 6650-00-757-5136