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 4140-01-250-5431
NSN 6130-01-086-8418
NSN 7035-01-093-7216
NSN 6650-01-593-5993
NSN 6135-01-478-9316
NSN 5895-00-197-2852
NSN 6610-01-053-0061
NSN 6685-01-281-7267
NSN 5990-01-292-6000
NSN 5915-00-171-1812
NSN 5930-01-577-6500
NSN 6650-01-327-5113