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 5975-00-510-4121
NSN 5965-01-464-3372
NSN 6220-01-595-6848
NSN 6135-00-985-7846
NSN 5975-01-227-2722
NSN 5925-01-516-1894
NSN 4140-01-027-4116
NSN 5975-01-391-5981
NSN 6105-00-835-1566
NSN 5999-01-591-6106
NSN 6610-00-004-2879
NSN 5960-01-575-5603