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 6685-01-646-6895
NSN 7035-01-603-8672
NSN 6135-01-265-1384
NSN 6320-01-473-9024
NSN 6145-01-057-4524
NSN 5935-01-572-7883
NSN 7035-01-476-2084
NSN 5895-00-280-2811
NSN 5999-01-284-5688
NSN 6110-00-828-4050
NSN 5965-01-570-2173
NSN 4140-01-634-0330