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Control Transformer Synchro

NSN: 5990-00-068-4324 | Model: 15CT4A
ITAR Registered seal

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

NSN Properties and Flags
NATO Stock Number
5990-00-068-4324
DEMIL
Yes - ITAR Controlled (Code D)
Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.8745 inches and 0.8750 inches
Overall Length
2.3120 inches
Flange Diameter
Between 1.4320 inches and 1.4370 inches
Flange Thickness
0.0930 inches
Undercut Diameter
1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1870 inches single shaft and 0.1872 inches single shaft
Shaft Length
0.5400 inches single shaft
Maximum Tempurature Rise
10.0 degrees celsius
Body Size
15
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
10.0 milliamperes
Stator Input Electrical Power Rating
140.0 milliwatts
Frequency In Hertz
400.0
Zso Impedance Magnitude In Ohms
Between 7800.00 and 9512.00
Zso Impedance Angle In Deg
Between 77.80 and 84.50
Zrs Impedance Magnitude In Ohms
Between 1050.00 and 1300.00
Zrs Impedance Angle In Deg
Between 26.00 and 33.00
Phase Shift Angle In Deg
5.500 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
32.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Electrical Error Angular Range In Minutes
-6.0 to 6.0
Spline Tooth Quantity
21 single shaft
Torque Gradient Per Angular Deg
0.050 inch-ounces
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.7720 inches
Spline Tooth Diametral Pitch
120 single shaft
Shaft Thread Series Designator
Unf single shaft
Shaft Thread Direction
Right-hand single shaft
Shaft Thread Class
2a single shaft
Terminal Location
Rear
Shaft Thread Length
0.1850 inches single shaft
Shaft Type
Spline w/threads single shaft
Alignment Hole Depth
0.1250 inches
Transformation Ratio
0.735 rotor to stator
Alignment Hole Bolt Circle Diameter
1.1000 inches
Shaft Thread Size
0.190 inches single shaft
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", "", etc.).
Terminal Type And Quantity
5 screw
Specification Data
81349-mil-s-20708/15 government specification
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M519T263D 2019-04-01 PMCM4 22 EA
SPE7M118T2552 2017-11-13 PMCM2 10 EA

Inventory Check

The last inventory check on this NSN was done on 02/14/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 18
  • New: 20

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.

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NSN 5990-00-068-4324 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 15CT4A
  • 15CT4B
  • 7674781
  • AS20708/15-01C
  • 15CT1141
  • 15CT4C
  • 15CT4C
  • VCT15-4NB2
  • 2009019
  • 15CT4C
  • 979375
  • 979376
  • 15SD4
  • MILS20708-15
  • M20708/15-01C
  • 15SD4
  • MK14MDD1
  • 5048-755
  • 4D266551
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Hughes Missile Systems Co (CAGE 14170)
  • Society Of Automotive Engineers Inc (CAGE 81343)
  • Ametek Technical & Industrial (CAGE 14404)
  • Moog Inc. (CAGE 99932)
  • General Dynamics Global Imaging (CAGE 10112)
  • Naval Sea Systems Command (CAGE 53711)
  • Navair and Navsea Managed (CAGE 10001)
  • Leach International Europe Sas (CAGE F0219)
  • Leach International Gepe (CAGE F0316)
  • Raytheon Company (CAGE 05869)
Replacements:
  • 5990-00-068-4324 replaces 5990-00-644-0126
  • 5990-00-068-4324 replaces 5990-00-677-6469
  • 5990-00-068-4324 replaces 5990-01-008-8688
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.

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:

    062120 - Generators/motors/parts noi

  • WCC:

    593 - Motors and parts, (machinery and parts),(less than 35 feet)

  • 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:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    7
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $2,010.66 to $3,351.11..
Does NSN 5990-00-068-4324 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 Army, Department Of The Air Force, Department Of The Navy, U.s. Coast Guard, Poland, Brazil, Spain, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Portugal, Italy, Denmark, Greece, and Turkey
What is the NIIN of NSN 5990-00-068-4324?
000684324 or 00-068-4324
Does NSN 5990-00-068-4324 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-068-4324?
Solicitation SPE7M519T263D for qty 22 on 03/22/2019
When was this national stock number assigned to the federal catalog?
Jul 13, 1967