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 5950-01-119-4201
NSN 5905-01-607-1131
NSN 6110-00-525-3418
NSN 5920-00-922-4906
NSN 6105-01-272-9235
NSN 5930-01-406-3881
NSN 6240-01-061-7359
NSN 5855-01-634-0259
NSN 5990-01-400-3299
NSN 6620-00-758-0797
NSN 6105-01-069-7826
NSN 6135-00-196-5267