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 TB 1-1520-240-20-122
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
HEAD,ROTARY WING, FWD
145R2003-9
HEAD,ROTARY WING, FWD
145R2003-10
HEAD, ROTARY WING, AFT
145R2004-2
HEAD, ROTARY WING, AFT
145R2004-6
HEAD, ROTARY WING, AFT
145R2004-8
HEAD, ROTARY WING, AFT
145R2004-10
HEAD, ROTARY WING, AFT
145R2004-12
HEAD, ROTARY WING, AFT
145R2004-18
HEAD, ROTARY WING, AFT
145R2004-20
7.
Parts to be Inspected .
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
PIN, HORIZONTAL HINGE
114R2196-2
PIN, HORIZONTAL HINGE
114R2197-1
PIN, HORIZONTAL HINGE
114R2197-5
PIN, HORIZONTAL HINGE
114R2197-7
8.
Inspection Procedures.
a. Inspect rotor head DA Form 2408-16 to determine the TTSN of all horizontal hinge pins with serial
numbers UW2407 and prior.
b. Horizontal hinge pins with serial numbers UW2408 and higher, or serial numbers that start with a
prefix other than "UW", are not suspect and the red horizontal //--// may be cleared.
9.
Correction Procedures.
a. If the TTSN is equal to or exceeds 4800 flight hours, remove the suspect horizontal hinge pin and
replace it. Return the suspect pin for overhaul through the supply system. The overhaul facility will perform
the required hardness tests.
b. If the TTSN is less than 4800 flight hours, annotate the rotor head DA Form 2408-16 to ensure that
the suspect horizontal hinge pin is removed and sent in for overhaul prior to exceeding TTSN 4800 flight
hours.
10. Supply/Parts and Disposition.
NOTE
HQDA-ODCSOPS will prioritize units and repair parts distribution in a
separate, follow on message.
a.
Parts Required. Items cited in paragraph 7 may be required to replace defective items.
b. Requisitioning Instructions. Requisition replacement parts using normal supply procedures. All req-
uisitions shall use project code (CC 57-59) "XD9", "X-RAY-DELTA-9".
NOTE
Project code "XD9", X-RAY-DELTA-9" is required to track and establish a
data base of stock fund expenditures incurred by the field as a result of
SOF actions.
c.
Bulk and Consumable Materials. N/A.
3
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