1. Home /
  2. FSC NSN Catalog /
  3. Synchros and Resolvers /
  4. AS20708/53

NSN AS20708/53

Control Transformer Synchro

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

NSN 5990-00-060-2321 Datasheet

(NSN) National Stock Number
5990-00-060-2321
(FSC) Federal Supply Classification
5990 - Synchros and Resolvers
(NIIN) National Item Identification Number
00-060-2321
Requires Demilitarization
Yes
(INC) Item Name Code
15289
Date
Tue, Jun 13, 1967
Schedule B Code
9014900000
Actuator Friction Torque At Plus 25 Deg Celsius
0.20 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 nominal
Fragility Factor
moderately rugged
Frequency In Hertz
60.0 nominal
Length
0.2500 inches nominal shoulder
Phase Shift Angle In Deg
14.000 input to output nominal
Pilot Diameter
0.5950 inches nominal
Pilot Length
0.0430 inches nominal
Material
steel corrosion resisting body
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 output
Maximum Temp Rise
10.0 celsius
Maximum Total Null Voltage Output In Millivolts Per Volt
45.00
Mounting Surface To Terminal End Distance
3.5800 inches nominal
Overall Length
4.2990 inches nominal
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
0.0025 inches nominal
Shaft Maximum Runout
0.0008 inches
Shaft Maximum Radial Play
0.0010 inches
Shaft Nominal Thread Size
0.250 inches single shaft
Shaft Radial Play Test Point
0.125 inches nominal
Shaft Thread Class
2a single shaft
Shaft Thread Direction
right-hand single shaft
Shaft Thread Length
0.2900 inches nominal single shaft
Shaft Thread Series Designator
unf single shaft
Shaft Type
spline w/threads single shaft
Shaft Length
0.7190 inches nominal single shaft
Shoulder Diameter
1.9850 inches minimum and 1.9900 inches maximum
Specification/Standard Data
81349-mil-s-20708/53 government specification
Spline Tooth Diametral Pitch
96 single shaft
Spline Tooth Quantity
22 single shaft
Stator Input Current Rating
18.5 milliamperes maximum
Stator Input Electrical Power Rating
400.0 milliwatts nominal
Stator Input Voltage Rating In Volts
90.0 nominal
Terminal Location
rear
Terminal Type And Quantity
5 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 Impedance Angle In Deg
14.00 minimum and 20.00 maximum
Zrs Impedance Magnitude In Ohms
1350.00 minimum and 1650.00 maximum
Zso Impedance Angle In Deg
70.00 minimum and 76.00 maximum
Zso Impedance Magnitude In Ohms
4200.00 minimum and 5100.00 maximum

Identification

Demilitarization Code
B - Usml items - mutilation to the point of scrap required worldwide. (note 7).
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)
K0624
Muirhead Aerospace Ltd
Non-us manufacturer (nato), other foreign organization or codification bureaus
98853
Hamilton Standard Electronics Systems Inc Tele-Dynamics Div
U.s./canadian manufacturers
02769
Lockheed Martin Corporation Div Rms
U.s./canadian manufacturers
49671
Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
U.s./canadian manufacturers
0VH01
Sae Customer Service Dept 2045
Non-manufacturers
0U583
Sae International Dba Sae International
Civilian standards and standards organizations (ex:iso,din,bs,ansi)
10112
General Dynamics Motion Control Llc
U.s./canadian manufacturers

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 5990-00-060-2321?

    The FSCG of the NSN 5990-00-060-2321 is 5990

  2. Does the NSN 5990-00-060-2321 have a Schedule B code assigned?

    Yes, the Schedule B code is 9014900000

  3. Does NSN 5990-00-060-2321 require demilitarization?

    Usml items - mutilation to the point of scrap required worldwide. (note 7).

  4. Does NSN 5990-00-060-2321 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 5990-00-060-2321 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 5990-00-060-2321 was assigned to the Federal Catalog?

    It was assigned 59 years ago, on Tue, Jun 13, 1967

Globe Transparent
Get in Touch
Looking for technical parts, product details, or custom project planning? Our team has you covered with end-to-end support every step of the way.
Contact Us

Pricing & 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.