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 6620-01-373-4588
NSN 2925-01-143-4229
NSN 5915-00-935-4984
NSN 6220-00-758-0049
NSN 5960-00-952-7202
NSN 6130-01-472-2483
NSN 5950-00-103-0756
NSN 6240-01-067-6457
NSN 5999-01-627-2661
NSN 6130-00-639-0666
NSN 7035-00-849-5526
NSN 6650-01-523-0888