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 4140-01-485-0410
NSN 5935-00-005-5984
NSN 5835-00-898-0201
NSN 6220-01-106-7845
NSN 6650-00-190-5158
NSN 6240-00-591-6836
NSN 5935-00-686-0447
NSN 5855-00-991-0096
NSN 5855-00-631-4565
NSN 6220-00-300-3595
NSN 6135-01-629-6940
NSN 6610-00-963-9435