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 6240-01-108-6766
NSN 6320-01-132-2746
NSN 5935-01-472-7087
NSN 6150-00-224-6580
NSN 5925-01-100-4029
NSN 5990-01-218-5160
NSN 5930-01-104-5295
NSN 6135-00-613-1068
NSN 5998-00-256-2090
NSN 6145-01-430-2784
NSN 5905-01-602-9405
NSN 5950-00-947-4712