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 6645-00-192-1152
NSN 6610-00-915-3215
NSN 5915-00-636-9785
NSN 5990-00-571-8892
NSN 5950-01-028-5252
NSN 5975-00-183-7693
NSN 6110-01-045-2035
NSN 6610-01-266-8691
NSN 6135-01-238-2878
NSN 6650-01-392-8020
NSN 5835-00-174-7763
NSN 6240-01-401-5340