Here is the codes for your fendertag.
A = 5, torqueflite 3-speed automatic transmission
F = 1, V8, 180hp 1x2bbl
H = 5, front heater
M = 3, back up lights
N = 8, dual jet windshield washer
P = 1, outside mirror left
T = 8, battery 48 amp
SO = 3161, order number
BODY
V = V8
4 = Valiant
9 = Barracuda
TRM
P = premium grade interior
5 = cloth interior
R = red interior
PNT
W = white roof
W = white body
P = upper door frame painted red
Hope this will help you.