Yes there is. Go to http://www.pressurecooker-canner.com/presto-pressure-cooker-parts.html and order the part you need and then it will be sent right to your door, they spealize in pressure cooker parts.
National Presto does sell replacement parts through an authorized Amazon dealer. You can use their website (gopresto.com) to search by appliance/size (2.5 qt to 8 qt) to find the part that's specific for your pressure cooker. If available, the link will take you directly to the Amazon retailer.
Replacement parts for Mirro branded pressure cookers can be purchased directly from the Mirro website. Replacement parts can also be purchased from online marketplaces such as eBay or Amazon.
Presto parts seem to work pretty well. I've had mine since the 70's and always been able to find parts with them. Good luck.
You can get replacement parts from Later service centers, and you can find these in the Service page of the Later web site.
The rubber gasket in the lid between the lid and the pot? Yes, it is availible. Anyplace that sells the cooker should have the gasket. Type Mirro Pressure Cooker seal in the search engine and I think that will give you a source.
I don't have an exact year but I called the National Presto Co. and they said that they were made in the '40's. Also if you need any testing, repairs, parts, conversion kits or ANYTHING related to the No.7 and other National Pressure Cookers you can contact them at: National Presto Industries 3925 N. Hastings Eau Claire WI, 54703-2209 1-800-877-0441
The living well pressure cooker brand name offers the sale of separate parts due to damages or loss. The parts can also be purchased online sold as is or even brand new. Department stores that sell the living well pressure cooker can also sell parts for the cooker.
These models have been discontinued so replacement parts are no longer available from Corningware.
http://shop.timms.biz/ They are out of the U.K. Send them an email and see if they have a manual. They do have spare parts for this as well
If you contact the manufacturer (Multisports) you might be able to purchase replacement parts direct.
Check with Sears parts and Repair in your local area. If they dont have it thet can order it for you. Just check for your model number at the bottom of your pressure cooker.. Check with Sears parts and Repair in your local area. If they dont have it they can order it for you. Just check for your model number at the bottom of your pressure cooker..