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 6150-01-383-8999
NSN 6320-00-925-0558
NSN 6620-00-754-7494
NSN 6135-01-609-0843
NSN 5985-00-393-4694
NSN 5835-01-092-6759
NSN 5975-01-199-2437
NSN 5920-00-373-3636
NSN 6130-00-978-2825
NSN 5895-00-391-4951
NSN 5945-01-590-5762
NSN 6105-01-089-4956