Home »
FSC NSN Catalog »
Automatic Pilot Mechanisms And Airborne Gyro Components »
NSN 6615-01-225-8241

Automatic Pilot Servomotor

NSN: 6615-01-225-8241 | Model: 8503421-916

A component of an automatic pilot designed to convert signals received from the flight controllers into mechanical motion for actuating airframe control surfaces. It incorporates its own braking mechanism, reversing mechanism, overpower clutch, cable drum, and a follow-up circuit for returning the mechanisms to a neutral position. See also motor, control.

NSN Properties and Flags

NATO Stock Number

6615-01-225-8241

DEMIL

Yes - ITAR Controlled (Code D)

Overall Depth

3.840 inches

Overall Height

4.165 inches

Overall Width

5.980 inches

Current Type

End Application

C-135 aircraft

Voltage In Volts

26.0

Special Features

Electrical requirements 28 vdc clutch assembly and motor tach generator; gear train ratio (power ratio) 69.8: 1, (synchro ratio) 151.2: 1; consists of a bidirectional dc motor tach generator, synchro, clutch assembly and lead assembly; the motor tach generator and lead assembly are externally mounted on a cast aluminum housing assembly; the housing assembly contains a bearing supported gear train

Frequency In Hertz

400.0

Functional Description

An automatic flight control system power unit; when coupled with the servo drum and bracket, it controls aircraft elevator and aileron surface positions; the servo motor translates electrical inputs into rotational mechanical outputs to drive a servo drum and bracket; also provides position and rate feedback signals for automatic adjustment of aircraft control surfaces

Parts List for Automatic Pilot Servomotor

Other components in the assembly of NSN 6615-01-225-8241

Bearing Retaining Plate
NSN 3110-01-234-8443

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 6615-01-225-8241 Datasheet

Supply Class (FSC):

Automatic Pilot Mechanisms And Airborne Gyro Components

Cross Reference:

8503421-916
AF AVIONICS S/P IL
PU-791/ASW-48

Cage Codes:

Honeywell International Inc. (CAGE 07187)
300 Hdbk Mil (CAGE 1HBK1)
Joint Electronics Type Designation (CAGE 80058)

Schedule B & Trade:

Schedule B: 9014900000 (NAICS 334511)

Parts & accessories for direction finding compasses and other navigational instruments and appliances
SITC: 87412

Parts and accessories of navigational instruments and appliances
End Use: 22220

Marine engines, parts

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

061700 - Elec appliances/instruments noi
WCC:

658 - Electrical appliances, small
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
LCL:

P - 77.5
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Nrp
AAC
V
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
7
MGMT_CTL
7rpcar9
Repariability
If condemned or uneconomically repairable, then dispose at intermediate level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $34,097.70 to $56,829.50..
Does NSN 6615-01-225-8241 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, U.s. Coast Guard, Romania, Singapore, Australia, Belgium, Canada, New Zealand, Republic Of Korea, United Kingdom, Italy, Denmark, Norway, and Greece
What is the NIIN of NSN 6615-01-225-8241?
012258241 or 01-225-8241
Does NSN 6615-01-225-8241 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6615-01-225-8241?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 08, 1986