I'm pretty sure the 3D----31651 are assembly and inspection numbers.Jim, do you have any thoughts?
Somewhere between Dec. 89 and Mar. 90.Serial # BEU52xx
N148237 = 1973.Model 29-2, N 148237 and Model 27-3, AVA 5830
It's a 38 Special, ser # 343xxx .
November 1985Model 29 ALB 40xx
1987Model 41 TBD64xx
1991Model 617 BHL41xx
All the SCSW shows is SN 1 thru 169959 were made from Sep 1917 to Jan 1919 for the Army. From there thru 209791 were made up till 1946.My commercial model 1917 S&W .45 acp revolver's serial number is...
193xxx
1975."D762XXX"
1983.M224xxx