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 5935-00-596-2684
NSN 6685-00-455-9941
NSN 5950-01-125-6900
NSN 5998-00-910-5462
NSN 2925-00-176-3889
NSN 6650-01-222-1749
NSN 6110-00-409-8125
NSN 6685-00-987-3834
NSN 6150-00-325-8597
NSN 6650-01-465-2368
NSN 5998-01-634-0604
NSN 6110-01-512-1537