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 6620-01-142-8277
NSN 5975-01-021-3793
NSN 2925-00-572-0454
NSN 6105-00-189-0515
NSN 6130-01-059-0084
NSN 7035-01-555-8793
NSN 6610-01-245-8015
NSN 5930-00-265-5822
NSN 6610-01-033-2402
NSN 4140-01-552-5198
NSN 5998-00-700-0590
NSN 5920-01-630-7923