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 6130-00-520-4952
NSN 5910-01-232-6981
NSN 5925-01-328-2053
NSN 5975-01-610-6727
NSN 2925-01-027-1293
NSN 5910-01-030-2275
NSN 6240-01-471-6014
NSN 6610-01-021-5068
NSN 5998-01-433-2714
NSN 6220-00-520-2603
NSN 5855-01-392-1110
NSN 5910-01-179-6648