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 4140-00-259-2567
NSN 6150-00-112-2458
NSN 6135-01-377-5729
NSN 5996-01-110-7706
NSN 5920-00-699-1927
NSN 7035-01-222-0729
NSN 5855-00-288-1408
NSN 6145-01-480-2208
NSN 6110-00-075-7880
NSN 6650-00-304-6987
NSN 7035-01-249-4547
NSN 6220-00-264-9473