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Old September 16, 2011, 04:57 PM   #4522
laytonj1
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Join Date: June 1, 2005
Location: Alabama
Posts: 3,463
Quote:
I'm unsure about manufacture dates on these, any help would be appreciated.
I can't track them down in my 3rd SCSW.. mentions the serial #s split in the last half of the series.

N242XXX (28-2) (1974-1977 )
N537xxx (28-2) (1978-1980 )
The N2 and N5 prefixes were used mostly for the M 28's and 58's and ran for a longer time period.

The 1st SCSW is a little more confusing and shows:
1970-72 = N1 - N60000
1972-74 = N60001 - N190000
1975-77 = N190001 - N430000
1978 = N430001 - N550000
1979 = N550001 - N580000
1980 = N580001 - N700000
1980 = N700001 - N790000
1980-81 = N790001 - N820000
1981 = N820001 - N932100
1983 = N932101 - N932xxx

Jim
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