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 4140-01-602-9257
NSN 5945-01-437-6240
NSN 6645-01-452-9495
NSN 5990-01-493-4039
NSN 2925-01-218-5556
NSN 5998-00-891-9674
NSN 5960-01-505-2426
NSN 5935-00-245-6571
NSN 5855-01-259-0151
NSN 6240-00-594-7138
NSN 5915-01-281-1978
NSN 5910-01-367-2230