: 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 2925-00-308-0797
NSN 6610-01-184-8950
NSN 6620-01-431-9176
NSN 5945-01-634-0588
NSN 5965-00-372-2537
NSN 5920-01-367-2542
NSN 5855-00-149-0766
NSN 5895-01-325-1044
NSN 6130-00-880-3980
NSN 6610-01-556-2353
NSN 5905-01-224-5593
NSN 5960-00-266-6741