Size per as568-459; 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 5835-00-239-9619
NSN 6145-01-415-7501
NSN 5960-00-067-5784
NSN 5950-00-660-9016
NSN 5999-01-432-6483
NSN 5998-01-275-4745
NSN 6130-01-447-3164
NSN 5950-01-506-3389
NSN 5910-01-298-1182
NSN 5925-01-324-4109
NSN 5975-00-410-8835
NSN 5998-00-229-8729