: item must comply with requirements of defense supply center philadelphia production standard no. Po011999950.
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 6105-00-132-1570
NSN 6105-00-202-2469
NSN 5945-00-735-5838
NSN 4140-01-634-0330
NSN 5990-01-516-9665
NSN 2925-00-290-7052
NSN 5930-01-384-3572
NSN 5910-01-426-8741
NSN 5999-01-063-2521
NSN 6240-01-014-7530
NSN 6150-01-064-0613
NSN 5999-00-312-4822