Transmitter Synchro

NSN: 5990-00-503-0386 | Model: 31TX4A

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.

NSN Properties and Flags

NATO Stock Number

5990-00-503-0386

DEMIL

Yes - ITAR Controlled (Code B)

Body Material

Steel, corrosion resisting

Body Style

Standard round d

Shoulder Diameter

2.7000 inches

Pilot Diameter

0.3120 inches

Second Shoulder Diameter

2.7500 inches

Second Shoulder Length

0.3750 inches

Overall Length

5.2000 inches

Flange Diameter

3.1000 inches

Flange Thickness

0.2500 inches

Body Diameter

2.7000 inches

Shaft Diameter

0.2500 inches single shaft

Shaft Length

0.8100 inches single shaft

Schematic Diagram Designator

1 y-rotor, 1 stator

Fragility Factor

Moderately rugged

Maximum Tempurature Rise

60.0 degrees celsius

Body Size

Rotor Input Voltage Rating In Volts

115.0

Frequency In Hertz

400.0

Rotor Input Current Rating

1.76 amperes

Rotor Input Electrical Power Rating

17.0 watts

Maximum Fundamental Null Voltage In Millivolts Per Volt

75.00 output

Maximum Total Null Voltage Output In Millivolts Per Volt

100.00

Electrical Error Angular Range In Minutes

-8.0/+8.0

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

0.670 inch-ounces

Shaft Radial Play Test Point

0.125 inches

Shaft Maximum Radial Play

0.0005 inches

Shaft End Play

0.0040 inches

Pilot Length

0.0300 inches

Shoulder Length

0.6150 inches

Aft Of First Flange Diameter

2.7500 inches

Mounting Surface To Terminal End Distance

4.4300 inches

Shaft Maximum Runout

0.0005 inches

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

0.3000 inches single shaft

Shaft Type

Round, threaded single shaft

Transformation Ratio

0.783 stator to rotor

Shaft Thread Size

0.250 inches single shaft

Shaft Radial Play Determining Weight

16.0 ounces

Shaft End Play Determining Weight

48.0 ounces

Test Data Document

81349-mil-s-16892 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-16892-31tx4a government specification

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 5990-00-503-0386 Datasheet

Supply Class (FSC):

Synchros And Resolvers

Cross Reference:

31TX4A
MIL-S-16892
10515526
31TX4A
121F2A
E11360
1480407
988651
LD267400
0S3883TYPE31TX4
878447
LD273384
LD413194
31TX4AMK35

Cage Codes:

Military Specifications (CAGE 81349)
Us Army Ardec Rdecom (CAGE 19200)
General Dynamics Global Imaging (CAGE 10112)
Northrop Grumman Systems Corporation (CAGE 95542)
Navair and Navsea Managed (CAGE 10001)

Replacements:

5990-00-503-0386 replaces 5990-00-503-0589
5990-00-503-0386 replaces 5990-00-636-4145
5990-00-503-0386 replaces 5990-00-927-3124

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
Z
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 $3,773.67 to $6,289.45..
Does NSN 5990-00-503-0386 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, U.s. Marine Corps, Department Of The Navy, Austria, Spain, France, Germany, Republic Of Korea, Portugal, Italy, Greece, and Turkey
What is the NIIN of NSN 5990-00-503-0386?
005030386 or 00-503-0386
Does NSN 5990-00-503-0386 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-503-0386?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963