Try nurmich arms
Try e-gunparts.com
Try e-gunparts.com
Try e-gunparts for the parts list. You can get a manual for free from S&W on their website.
Try Numrich gun parts corp.go to there web sight and then look up the model you are interested in,they should have a exploded view of your Smith and wesson.
There really is no way to know exactly when it was made. Smith and Wesson makes parts in batches and there is no guarantee that a frame made today will be built today. The closest you can come is a date showing when it shipped from the Smith and Wesson wareshouse. This particular serial number was shipped @ 1958.
Try on line auctions, gun shops, gun shows, pawn shops, estate sales, garage sales, sporting goods stores, egunparts, Shotgun News, etc..
Some are
Contact S&W
Numrich Gun parts Co. www.e-gunparts.com/ Search for Smith and Wesson 32
http://www.lsgmfg.com/gunparts.html Has Some parts and also makes some parts Also try http://www.e-gunparts.com/productschem.asp?chrMasterModel=1980z1000
The Mossberg 1000 super is manufactured by HOWA of Japan. It was also sold by Smith & Wesson as a Model 1000. Do a search under Smith & Wesson Model 1000 barrels. There is a guy in Texas who specializes in parts.
S&W, e-gunparts.com, Brownell's In addition to the above, Midway arms and the online auction websites Gunbroker.com and AuctionArms.com have S&W parts for sale. There are many other gun parts websites too, Goggle "Smith Wesson parts" and you'll find them.