How to Locate Repair Parts - TM-9-1240-369-34P0006

TM 9.2350-230-10/2-3 Operator's

Manual

(Turret

6. Abbreviations.

Operation) for AR/AAV M551A-

Abbreviations

Explanation

(Sheridan) (W/Laser Range

Finder)

cop.................................... copper

TM 9-2350-230-20

Organizational

Maintenance

cres................................... corrosion resistant steel

Manual

for

Armored

ctsk ................................... countersink

Reconnaissance/Airborne

cup pt................................ cup point

Assault Vehicle Full-Tracked,

dia..................................... diameter

152-MM, M551

f ........................................ flat head

fnsh................................... finish

5. How to Locate Repair Parts.

hd ..................................... head

a. When National Stock Number or Part Number is

hgt .................................... height

Unknown:

id....................................... inside diameter

(1) First.

Using the table of contents,

Ikg..................................... locking

od ..................................... outside diameter

determine the functional group within which the repair

pnh ................................... pan head

part belongs. This is necessary since illustrations are

psvt ................................... passivate

prepared for functional groups and listings are divided

rec .................................... recessed

into the same groups.

(2) Second. Find the illustration covering the

md .................................... round

cr ...................................... screw

functional group to which the repair part belongs.

sp...................................... spring

(3) Third. Identify the repair part on the

thd .................................... thread

illustration and note the illustration figure and item

thk..................................... thick

number of the repair part.

UNC ................................. Unified coarse thread

(4) Fourth. Using the Repair Parts Listing,

w ....................................... width

find the figure and item number noted on the illustration.

b. When National Stock Number or Part Number is

7. Recommendations for Maintenance Publications

Known.

Improvements.

(1) First. Using the Index of National Stock

Numbers and Part Numbers, find the pertinent National

You can help to improve this manual by calling

stock number or part number. This index is in ascending

attention to errors and by recommending improvements.

NSN sequence followed by a list of part numbers in

Your letter or DA Form 2028 (Recommended Changes

ascending alphameric sequence, crossreferenced to the

to Publications) should be mailed directly to Commander,

illustration figure number and item number.

Frankford Arsenal, ATTN: SARFA-MA, Philadelphia, PA

(2) Second. After finding the figure and item

19137. A reply will be furnished directly to you.

number, locate the figure and item number in the repair

parts list.