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 5990-01-517-7848
NSN 6130-00-177-4728
NSN 5975-00-655-3136
NSN 2925-01-607-4340
NSN 6130-01-539-4008
NSN 5996-01-360-5635
NSN 5950-01-493-3116
NSN 5960-01-262-5048
NSN 6220-01-193-9992
NSN 5930-01-563-8252
NSN 6620-01-044-3371
NSN 6220-01-249-1535