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Differential Transmitter Synchro

NSN: 5990-00-644-0096 | Model: 23TDX6A
ITAR Registered seal

A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.

NSN Properties and Flags
NATO Stock Number
5990-00-644-0096
DEMIL
Yes - ITAR Controlled (Code B)
Body Material
Aluminum
Body Style
Standard round d
Shoulder Diameter
Between 1.9850 inches and 1.9900 inches
Pilot Diameter
Between 0.5900 inches and 0.6000 inches
Second Shoulder Diameter
Between 1.9985 inches and 1.9995 inches
Second Shoulder Length
0.1700 inches
Overall Length
Between 4.4930 inches and 4.5440 inches
Flange Diameter
Between 2.2490 inches and 2.2500 inches
Flange Thickness
Between 0.2480 inches and 0.2500 inches
Body Diameter
Between 1.9850 inches and 1.9900 inches
Shaft Diameter
0.2500 inches single shaft
Shaft Length
0.6930 inches single shaft
Maximum Tempurature Rise
65.0 degrees celsius
Body Size
23
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
380.0 milliamperes
Stator Input Electrical Power Rating
11.8 watts
Frequency In Hertz
60.0
Zro Resistance In Ohms
138.00
Zso Resistance In Ohms
87.00
Zrs Resistance In Ohms
213.00
Maximum Fundamental Null Voltage In Millivolts Per Volt
75.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
125.00
Electrical Error Angular Range In Minutes
-8.0/+8.0
Spline Tooth Quantity
22 single shaft
Actuator Friction Torque At Minus 55 Deg Celsius
0.50 inch-ounces
Actuator Friction Torque At Plus 25 Deg Celsius
0.20 inch-ounces
Torque Gradient Per Angular Deg
0.034 inch-ounces
Pilot Length
0.0460 inches
Shoulder Length
0.2520 inches
Aft Of First Flange Diameter
Between 1.9985 inches and 1.9995 inches
Mounting Surface To Terminal End Distance
Between 3.4300 inches and 3.4450 inches
Spline Tooth Diametral Pitch
96 single shaft
Shaft Thread Series Designator
Unf single shaft
Shaft Thread Direction
Right-hand single shaft
Shaft Thread Class
2a
Terminal Location
Rear
Shaft Thread Length
0.2660 inches single shaft
Plus J Zro Reactance In Ohms
369.00
Plus J Zso Reactance In Ohms
214.00
Plus J Zrs Reactance In Ohms
61.00
Shaft Type
Spline w/threads single shaft
Transformation Ratio
1.154 rotor to stator
Shaft Thread Size
0.250 inches single shaft
Test Data Document
81349-mil-s-17245 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
7 screw

Pricing and Availability

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NSN 5990-00-644-0096 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 23TDX6A
  • MIL-S-20708/94
  • 8212797
  • 11090
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Us Army Ardec Rdecom (CAGE 19200)
  • Northrop Grumman Systems Corporation (CAGE 95542)
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

U - Precious metal content is unknown

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
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • 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 $6,149.33 to $10,248.88..
Does NSN 5990-00-644-0096 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, Spain, Republic Of Korea, and Italy
What is the NIIN of NSN 5990-00-644-0096?
006440096 or 00-644-0096
Does NSN 5990-00-644-0096 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-644-0096?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963