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 5960-01-449-1310
NSN 4140-01-050-0631
NSN 6105-01-553-1609
NSN 6145-01-147-4968
NSN 6620-01-249-8696
NSN 5935-01-611-9769
NSN 5960-01-114-9646
NSN 6620-01-426-0199
NSN 6130-01-421-2705
NSN 6645-01-467-9983
NSN 6135-01-500-0572
NSN 5975-01-508-8887