: 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 5915-01-386-6487
NSN 6135-01-395-9089
NSN 5950-00-948-5974
NSN 5950-01-499-3036
NSN 5975-01-305-7526
NSN 5905-01-381-3742
NSN 5999-01-065-8099
NSN 5905-01-659-4731
NSN 5996-01-643-4962
NSN 6105-01-517-4153
NSN 5965-01-483-1610
NSN 6645-00-843-8837