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 6135-00-985-7887
NSN 6685-00-296-0392
NSN 5965-01-422-7638
NSN 6240-01-616-6813
NSN 5895-00-006-9904
NSN 6320-01-514-6141
NSN 6610-01-230-9971
NSN 6320-00-882-7061
NSN 5985-01-647-9549
NSN 6145-01-370-4485
NSN 6610-01-466-6338
NSN 5920-01-392-1484