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 5998-01-208-9063
NSN 5996-00-283-4366
NSN 5930-00-430-5742
NSN 6650-01-168-8451
NSN 5905-01-501-3332
NSN 6135-00-432-8779
NSN 2925-01-502-9903
NSN 5930-01-014-6437
NSN 4140-00-225-8586
NSN 5975-01-140-9228
NSN 5925-01-139-3151
NSN 6645-01-062-0905