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 4140-01-539-0548
NSN 6150-01-057-7263
NSN 6105-01-384-6172
NSN 5990-01-433-3786
NSN 6105-01-601-4122
NSN 6320-00-242-3300
NSN 5999-00-477-3029
NSN 5999-01-325-5335
NSN 5925-00-715-7831
NSN 6105-01-259-6041
NSN 5990-00-254-4825
NSN 7035-01-245-2858