: 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 6105-01-577-9186
NSN 6220-00-487-0403
NSN 5985-01-388-9992
NSN 6240-01-223-4917
NSN 6650-01-338-9998
NSN 5998-01-089-1473
NSN 6610-00-525-6022
NSN 6145-01-359-9481
NSN 6135-01-104-3790
NSN 5999-01-334-6757
NSN 6610-01-411-3372
NSN 5930-01-130-8493