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 5996-01-111-4145
NSN 5930-01-064-1619
NSN 5835-01-399-5820
NSN 4140-00-067-7460
NSN 6320-00-098-2858
NSN 5920-00-836-6983
NSN 5999-00-562-7025
NSN 6110-00-496-0532
NSN 5975-00-902-6550
NSN 6150-01-085-5858
NSN 5990-01-376-8930
NSN 4140-00-870-4376