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 6145-01-126-5773
NSN 6240-01-273-0193
NSN 5910-01-526-5147
NSN 5935-01-387-6614
NSN 6105-01-386-6167
NSN 5960-01-187-7400
NSN 5990-01-482-5950
NSN 5999-00-105-5515
NSN 6105-00-449-1124
NSN 5920-01-473-6194
NSN 5895-01-481-3015
NSN 6105-00-943-7986