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 6620-00-128-7980
NSN 5915-00-840-4903
NSN 5975-00-851-1842
NSN 6645-01-495-0939
NSN 5835-01-408-7576
NSN 5835-00-025-9951
NSN 5855-00-688-9954
NSN 6145-00-199-8066
NSN 5996-01-509-6443
NSN 5975-00-806-2113
NSN 5895-00-477-5936
NSN 6150-00-193-7141