Identical to 5331-00-958-1236 except for hardness rating
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 6130-01-322-5590
NSN 5920-00-957-6859
NSN 4140-00-455-9645
NSN 6320-01-233-5798
NSN 6110-01-587-4635
NSN 6110-01-037-0641
NSN 6240-01-144-2379
NSN 5965-00-121-7569
NSN 5945-01-023-7993
NSN 5930-01-587-2455
NSN 6650-01-272-9746
NSN 5950-01-622-7758