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 6110-00-705-5863
NSN 6145-00-537-7059
NSN 6240-01-285-7857
NSN 6150-00-080-8274
NSN 5910-01-377-9956
NSN 5998-01-418-0522
NSN 6620-01-241-9592
NSN 5915-01-515-6271
NSN 5950-01-522-9753
NSN 6620-01-550-4606
NSN 5930-00-115-1277
NSN 5975-00-037-8680