I found them quite easily doing an internet search. In fact I am surprised how many op don't search the internet before asking here.
For models 36, 37, 38, 49, 50 and pre model number versions.
1950 = start at 1
1952 = 7369 - 21342
1953 = 28916
1955 = 55050 - 75000
1957 = 117770 - 125000
1962 = starts at 295000
1969 = ends at 786544
J serial Prefix serial numbers.
For models 36, 37, 38, 49, 50.
1969-1970 = J1 - J99999
1971-1972 = 1J1 - 999J99
1973-1974 = J100000 - J250000
1975-1976 = J250001 - J370000
1976-1977 = J370001 - J610000
1977-1978 = J610001 - J670000
1979-1980 = J670001 - J760000
1981 = J760001 - J915400
1982 = J915401 - 1J18600
1983 = 1J18601 - 1JXXXX
1955 - 4 screw side plate ends
1957 - stamping of model number at 125000
1966 - flat latch ends
1968 - diamond grips end
1975 - heavy barrel standard
1982 - end pinned barrel
C Series K Frames: (Fixed Sight Models)
C1 - C233,999………….....1948 – 52
C236,004 – C261,483…….1953
C277,555 – C314,031….…1954 – 56
C402,924 – C405,018…….1957
C405,019 – C429,740…..1958 – 59
C429,741 – C474,148…….1960
C474,149 – C622,699…….1961 – 62
C622,700 – C810,532…….1963 – 65
C810,533 – C999,999…..1966 – 67
D Series K Frames: (Fixed Sight Models)
D1 – D90,000…………….....1968
D90,001 – D330,000……..1969 -70
D330,001 – D420,000………1971 – Early 72
D420,001 – D510,000………Late 1972 – Early 73
D510,001 – D659,901………Late 1973 – Early 1974
D659.902 – D75000………..Late 1974 – Early 1975
D750,001 – D870,000………Late 1975 – Early 1976
D870,001 – D999,999………Late 1976 – Early 1977
2D00001 - 2D80,000……….1977
2D80,001 – 2D99,999………1978
4D00001 – 6D10,000……….1979
6D10,0001 – 7D10,000……1980
7D10,001 – 9D44,500…..1981
9D44,501 – 17D8,900………1982
17D8,901 – 21D0883……….1983
This is just a sample I found with a simple internet search. There is more out there on the K and N frame. Hope this helps.
