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 5930-00-822-0258
NSN 6135-00-968-8594
NSN 6220-01-590-0137
NSN 6150-01-511-0013
NSN 5996-00-115-1188
NSN 6650-01-406-9852
NSN 6610-01-620-9745
NSN 6610-01-459-8690
NSN 5935-00-382-6464
NSN 6150-01-020-7881
NSN 5905-00-682-0288
NSN 6130-00-330-9898