75 durometer, as568-237
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.
NSN 4140-00-914-7949
NSN 5835-00-583-1316
NSN 5905-00-365-8728
NSN 5990-00-144-3243
NSN 6645-01-512-2034
NSN 5975-00-454-9055
NSN 5935-00-583-2986
NSN 5965-01-274-2151
NSN 6130-01-645-4710
NSN 5935-00-564-5434
NSN 5999-00-351-3845
NSN 2925-00-139-8309