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 5960-01-252-8821
NSN 5910-01-521-3684
NSN 6145-01-529-1965
NSN 6110-00-257-1446
NSN 6105-01-281-9581
NSN 5905-01-039-8978
NSN 5990-01-272-4091
NSN 6620-00-335-9462
NSN 6645-00-216-6126
NSN 6645-00-079-4087
NSN 5985-01-317-3143
NSN 5965-01-128-4381