Size per as568-232; astm d2000/sae j200 type, class "hk" material
No other part numbers with same form, fit, and function found.
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 5895-01-144-7604
NSN 5950-00-841-1773
NSN 6645-00-204-4100
NSN 6610-01-376-9199
NSN 6130-01-522-7409
NSN 5960-01-593-4760
NSN 5945-01-495-0509
NSN 6620-00-361-3590
NSN 5950-01-384-4888
NSN 5985-01-358-8570
NSN 6135-00-209-6918
NSN 2925-01-494-3259