: item must comply with requirements of defense supply center philadelphia production standard no. Po011999950.
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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6110-01-241-7301
NSN 5835-01-222-2030
NSN 5910-00-054-2444
NSN 5930-01-141-3624
NSN 6220-01-227-1917
NSN 6220-01-479-4323
NSN 6130-01-145-8183
NSN 5985-00-121-1915
NSN 5990-00-419-0236
NSN 5945-01-562-6455
NSN 5999-01-593-3125
NSN 7035-01-369-1445