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NSN 23CT4A

Control Transformer Synchro

0.20 inch-ounces maximum actuator friction torque at plus 25 deg celsius, 1.9985 inches minimum and 1.9995 inches maximum aft of first flange diameter, 1.9900 inches maximum body diameter, 0.50 inch-ounces maximum actuator friction torque at minus 55 deg celsius, 23 body size.

NSN 5990-00-644-0123 Datasheet

(NSN) National Stock Number
5990-00-644-0123
(FSC) Federal Supply Classification
5990 - Synchros and Resolvers
(NIIN) National Item Identification Number
00-644-0123
Requires Demilitarization
Yes
(INC) Item Name Code
15289
Date
Tue, Jan 1, 1963
Schedule B Code
9014900000
Actuator Friction Torque At Plus 25 Deg Celsius
0.20 inch-ounces maximum
Actuator Friction Torque At Minus 55 Deg Celsius
0.50 inch-ounces maximum
Aft Of First Flange Diameter
1.9985 inches minimum and 1.9995 inches maximum
Body Diameter
1.9900 inches maximum
Body Size
23
Body Style
standard round d
Electrical Error Angular Range In Minutes
-6.0 to 6.0
Flange Diameter
2.2490 inches minimum and 2.2500 inches maximum
Flange Thickness
0.2500 inches maximum
Frequency In Hertz
400.0 nominal
Length
0.2500 inches maximum shoulder
Pilot Diameter
0.5900 inches minimum and 0.6000 inches maximum
Pilot Length
0.0460 inches maximum
Plus J Zrs Reactance In Ohms
741.00 nominal
Plus J Zso Reactance In Ohms
11870.00 nominal
Material
steel corrosion resisting body
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 output
Maximum Temp Rise
45.0 celsius
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Mounting Surface To Terminal End Distance
3.4350 inches minimum and 3.4450 inches maximum
Overall Length
4.2430 inches minimum and 4.2940 inches maximum
Second Shoulder Diameter
1.9985 inches minimum and 1.9995 inches maximum
Second Shoulder Length
0.1700 inches nominal
Shaft Diameter
0.2403 inches minimum and 0.2405 inches maximum single shaft
Shaft End Play
0.0030 inches nominal
Shaft Maximum Runout
0.0015 inches
Shaft Maximum Radial Play
0.0010 inches
Shaft Nominal Thread Size
0.250 inches single shaft
Shaft Radial Play Test Point
0.250 inches maximum
Shaft Thread Class
2a single shaft
Shaft Thread Direction
right-hand single shaft
Shaft Thread Length
0.2660 inches nominal single shaft
Shaft Thread Series Designator
unf single shaft
Shaft Type
spline w/threads single shaft
Shaft Length
0.6930 inches minimum and 0.7190 inches maximum single shaft
Shoulder Diameter
1.9890 inches minimum and 1.9900 inches maximum
Specification/Standard Data
81349-mil-s-20708/94 government specification
Spline Tooth Diametral Pitch
96 single shaft
Spline Tooth Quantity
22 single shaft
Stator Input Current Rating
7.7 milliamperes maximum
Stator Input Electrical Power Rating
80.0 milliwatts nominal
Stator Input Voltage Rating In Volts
90.0 nominal
Terminal Location
rear
Terminal Type And Quantity
7 screw
Test Data Document
"81349-mil-s-20708 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Transformation Ratio
0.735 rotor to stator nominal
Zrs Resistance In Ohms
675.00 nominal
Zso Resistance In Ohms
1495.00 nominal

Identification

Demilitarization Code
D - Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0015289

Cross Reference

CAGE Codes

81349
Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Military standards and standards organizations (ex:stanags,milspecs,defstans)
0U583
Sae International Dba Sae International
Civilian standards and standards organizations (ex:iso,din,bs,ansi)
96906
Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Military standards and standards organizations (ex:stanags,milspecs,defstans)

Freight Information

Air Commodity
HZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
34580
Water Commodity
72D - Communications/electronics, other than sigint/ew or comsec repair parts and components
National Motor Freight Classification Item Number
061700

Schedule B & Trade

Schedule B
9014-90-0000
Description
parts & accessories for direction finding compasses and other navigational instruments and appliances
End Use
22220 - Marine engines, parts
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
87412
(NAICS) North American Industrial Classification System
334511

Questions & Answers

  1. What is the FSCG of the NSN 5990-00-644-0123?

    The FSCG of the NSN 5990-00-644-0123 is 5990

  2. Does the NSN 5990-00-644-0123 have a Schedule B code assigned?

    Yes, the Schedule B code is 9014900000

  3. Does NSN 5990-00-644-0123 require demilitarization?

    Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

  4. Does NSN 5990-00-644-0123 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 5990-00-644-0123 contain hazardous materials?

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

  6. When the NSN 5990-00-644-0123 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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