UH-6A
5-9.
SERIAL NUMBER
EFFECTIVITY
5-10. A
Use
Code column is provided to identify cer-
tain
parts tliat have been added, deleted, or modified
during
production of the Model 893A
and
893AR, Each
part
for
which
a
use code has been assigned may be
identified
with
a
particular instrument serial number
by
consulting the Use
Code Effectivity List below. All
parts
with no code are used
on all instruments with
ser-
ial numbers
above 123.
USE
CODE
EFFECTIVITY
CODE
Model 893A and
893AR Serial
number
123 and on.
A
Model 893A serial number 123 thru 168.
Model 893AR serial number 123 thru 153.
B
Model
893A serial number
169 and on.
Model
893AR
serial
number 154
and on.
C
Model 893A serial number 123 thru 170.
Model 893AR serial number 123 thru 203.
D
Model 893A serial number 171
thru 508,
Model
893AR
serial
number 204 thru
254.
E
Model
893A serial number 123
thru
243.
Model 893AR serial number
123
thru
203,
F
Model 893A
serial
number
244 and on.
Model
893AR
serial number 204
and
on.
G
Model
893A
serial number
509
and on.
Model
893AR
serial number 255
and on.
H
Model
893A serial
number
171
thru 1503.
Model 892AR serial number 204 thru 353.
I Model 893 serial number
123
thru
988.
J
Model 893
serial number
989 and on.
K Model 893
serial number 123
thru 1353.
L Model 893 serial
number 1354
and on.
M Model
893 serial
number
123
and
on.
N
Model 893A/AC only.
O Model
893 serial number
123 thru
1863.
P Model 893
serial number 1864
and on.
7/23/73
5-37