TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 10 of 344
TM 9-1240-400-34&P
1-5.
OFFICIAL NOMENCLATURE, NAMES,
AND DESIGNATIONS (CONT).
Nomenclature Cross-Reference List (Cont)
Manual
Official
Nomenclature
Nomenclature
Eye lens
Optical instru-
ment lens
Felt
Preformed felt
Field lens
Optical instru-
ment lens
Gear
Segment gear
Gear
Wormwheel gear
Key
Machine key
Key
Woodruff key
Level
Fire control
vial
level
Pin
Headless straight
pin
Pivot
Shouldered shaft
Plate
Bearing retainer
plate
Plate
Gear assembly
plate
Plate
Riveted assembly
plate
Plug
Machine thread
plug
Screw
Machine screw
Spring
Helical compres-
sion spring
Retainer
Optical retainer
Tapered pin
Plain tapered
pin
Torsion spring
Torsion helical
spring
Valve stem
Purging valve
stem
1-6.
REPORTING EQUIPMENT IMPROVE-MENT
RECOMMENDATIONS (EIR).
If your M110 A2 Fire Control needs improvement, let us
know.
Send us an EIR.
You, the user, are the only one
who can tell us what you don’t like about your equipment.
Let us know why you don’t like the design or
performance.
Put it on an SF 368 (Product Quality
Deficiency Report).
Mail it to us at Commander, U.S.
Army Armament, Munitions and Chemical Command,
ATTN: AMSMC-QAD, Rock Island, IL 61299-6000.
We’ll
send you a reply.
1-7.
CORROSION PREVENTION AND CONTROL
(CPC).
a.
General.
Corrosion Prevention and Control
(CPC) of Army materiel is a continuing concern.
It is
important that any corrosion problems with this
equipment be reported so that the problem can be
corrected and improvements can be made to prevent the
problem in the future.
b.
Corrosion.
While corrosion is typically associated
with rusting of metals, it can also include deterioration of
other materials such as rubber and plastic.
Unusual
cracking, softening, swelling, or breaking of these
materials may be a corrosion problem.
c.
Reporting.
If a corrosion problem is identified, it
can be reported using SF 368, Product Quality
Deficiency Report.
Use of key words such as
"corrosion," "rust," "deterioration," or "cracking" will
assure that the information is identified as a CPC
problem.
d.
Forms.
The form should be submitted to:
Commander, U.S.
Army Armament, Munitions and
Chemical Command, ATTN: AMSMC-QAS/Customer
Feedback Center, Rock Island, IL 61299-6000.
1-2
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