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 4140-00-189-0235
NSN 5960-00-187-0429
NSN 6650-01-152-5287
NSN 5945-01-606-1631
NSN 5945-00-285-8740
NSN 6145-01-511-9871
NSN 6150-00-822-8192
NSN 5950-01-303-2106
NSN 5895-01-600-0401
NSN 5915-01-602-5164
NSN 6105-00-639-6857
NSN 5998-01-585-3681