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 6135-00-539-8088
NSN 6620-01-391-7331
NSN 5920-01-486-3826
NSN 5990-01-268-2236
NSN 5905-00-452-7068
NSN 5996-00-860-0860
NSN 7035-01-549-6765
NSN 5835-01-297-1909
NSN 6650-00-056-1581
NSN 6650-01-294-5243
NSN 4140-01-331-8305
NSN 6130-00-520-8917