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 5905-00-393-2757
NSN 5920-01-190-0265
NSN 6610-01-033-2402
NSN 5998-01-505-1051
NSN 5935-00-105-5642
NSN 4140-00-277-6285
NSN 6110-01-136-8540
NSN 4140-01-530-1224
NSN 6320-01-033-6624
NSN 6145-01-319-5311
NSN 5930-01-509-5416
NSN 5915-01-408-6647