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 5990-01-616-9342
NSN 6650-01-481-6647
NSN 6240-00-099-8606
NSN 5935-00-414-1370
NSN 5905-01-422-3229
NSN 5855-01-484-1919
NSN 5965-01-265-6814
NSN 5920-01-237-3224
NSN 5996-01-152-2948
NSN 5990-00-013-6862
NSN 6150-01-090-6691
NSN 5920-01-069-3433