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 5920-00-285-2245
NSN 6650-00-695-0304
NSN 6645-00-200-2322
NSN 2925-00-928-5931
NSN 6220-00-200-7888
NSN 6135-01-255-9129
NSN 6620-00-780-7786
NSN 4140-01-561-2689
NSN 6150-01-641-6511
NSN 6110-01-255-9267
NSN 7035-01-442-7947
NSN 5945-01-542-0840