75 durometer, as568-280
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 6320-01-117-5516
NSN 6105-00-542-7948
NSN 5855-01-583-1037
NSN 6110-00-589-9905
NSN 6150-01-561-1695
NSN 6620-00-203-9466
NSN 5855-00-494-9581
NSN 5910-01-433-9319
NSN 6110-01-443-2298
NSN 6105-00-956-3435
NSN 6685-01-371-3974
NSN 6240-00-001-1524