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 5998-01-021-1735
NSN 5835-01-430-4765
NSN 6105-00-499-7018
NSN 6135-01-440-9412
NSN 5998-01-022-6419
NSN 6645-01-540-7989
NSN 5910-01-412-4949
NSN 5945-01-422-0381
NSN 5985-01-498-8848
NSN 5975-01-526-2069
NSN 7035-01-232-7263
NSN 6320-00-831-2227