Item must comply with requirements of defense supply center philadelphiaproduction standard no. Po0258nrp
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 5835-01-004-2563
NSN 5998-00-201-4960
NSN 5999-01-157-5565
NSN 6220-01-607-8477
NSN 6150-00-265-7799
NSN 5855-00-149-0766
NSN 5960-00-194-1488
NSN 5960-01-553-4557
NSN 5945-01-183-6703
NSN 6150-01-481-4091
NSN 6145-01-479-4524
NSN 5935-01-065-7568