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Receiver-transmitter Synchro

NSN: 5990-00-898-1393 | Model: 31TX4A
ITAR Registered seal

A synchro having a dual purpose. It may be used in applications requiring either a receiver or transmitter. For synchros having a single purpose, see synchro, receiver and synchro, transmitter.

NSN Properties and Flags
NATO Stock Number
5990-00-898-1393
DEMIL
Yes - ITAR Controlled (Code D)
Body Material
Steel, stainless
Body Style
Standard round d
Shoulder Diameter
Between 2.6950 inches and 2.7000 inches
Pilot Diameter
0.3000 inches
Second Shoulder Diameter
Between 2.7490 inches and 2.7500 inches
Second Shoulder Length
0.3750 inches
Overall Length
5.1000 inches
Flange Diameter
Between 3.0990 inches and 3.1000 inches
Flange Thickness
0.2500 inches
Body Diameter
2.7000 inches
Shaft Diameter
0.2403 inches single shaft and 0.2405 inches single shaft
Shaft Length
0.7300 inches single shaft
Fragility Factor
Moderately rugged
End Application
5forrestal class cv; sturgeon class ssn (637); los angeles class ssn (688); ticonderoga class cg (47); gun fire control system, mk 68; nimitz class cvn; spruance class dd (963); virginia class cgn (41); wmis, wind measuring and indicating systems
Maximum Tempurature Rise
60.0 degrees celsius
Body Size
31
Rotor Input Voltage Rating In Volts
115.0
Frequency In Hertz
400.0
Rotor Input Current Rating
1.7 amperes
Rotor Input Electrical Power Rating
14.4 watts
Phase Shift Angle In Deg
2.000 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
35.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
170.00
Electrical Error Angular Range In Minutes
-8.0/+8.0
Spline Tooth Quantity
22 single shaft
Receiver Error Angular Range In Minutes
-36.0/+36.0
Torque Gradient Per Angular Deg
0.670 inch-ounces
Pilot Length
0.0300 inches
Shoulder Length
0.5950 inches
Aft Of First Flange Diameter
Between 2.7490 inches and 2.7500 inches
Mounting Surface To Terminal End Distance
4.3700 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 single shaft
Terminal Location
Rear
Shaft Thread Length
0.3100 inches single shaft
Shaft Type
Spline w/threads single shaft
Criticality Code Justification
Feat
Transformation Ratio
0.783 rotor to stator
Shaft Thread Size
0.250 inches single shaft
Special Features
Weapon system essential
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-20708/62 government specification
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M020T5512 2020-03-09 PMCMG 10 EA
SPE7M020T4361 2020-02-13 PMCMG 6 EA
SPE7M020T3880 2020-02-03 PMCMG 6 EA
SPE7M020T3421 2020-01-13 PMCMG 1 EA
SPE7M020T2960 2019-12-30 PMCMG 14 EA
SPE7M019T115S 2019-08-19 PMCMG 10 EA
SPE7M219T3503 2019-05-28 PMCMV 1 EA
SPE7M219T2188 2019-02-21 PMCMV 1 EA
SPE7M219T1436 2018-12-27 PMCMV 1 EA
SPE7M019T2952 2018-12-27 PMCMG 2 EA

Inventory Check

The last inventory check on this NSN was done on 09/08/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 2
  • Overhauled: 1
  • As Removed: 1
  • New: 1

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.

Qty:
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Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
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  •   HAZMAT Certified
  •   Worldwide Shipping

NSN 5990-00-898-1393 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 31TX4A
  • M20708/62C-001
  • M20708162-001
  • E103627-17
  • M20708/62-01A
  • M20708/62-01A
  • AS20708/62
  • 450904-9829
  • VTRX31-4N1
  • VTRX31-4A1
  • 7755582P001
  • 31TX4D
  • 31TRX4
  • E103627-17
  • AY3101B4E2
  • MIL-S-20708/62-001
  • MIL-S-20708/62
  • M20708/62-001
  • M20708/62-01
  • AS20708/62
  • M20708/62-01A
  • AS20708/62
Cage Codes:
  • Hamilton Standard Electronics (CAGE 98853)
  • Military Specifications (CAGE 81349)
  • General Dynamics Global Imaging (CAGE 10112)
  • Sae Customer Service (CAGE 0VH01)
  • Northrop Grumman Litef Gmbh (CAGE D4856)
  • Lockheed Martin Corporation (CAGE 03538)
  • Bowen & Company Inc. (CAGE 08160)
  • Control Flow, Inc. (CAGE 16603)
  • Honeywell Intl Inc (CAGE 55972)
  • Society Of Automotive Engineers Inc (CAGE 81343)
Replacements:
  • 5990-00-898-1393 replaces 5990-00-043-0396
  • 5990-00-898-1393 replaces 5990-00-636-4112
  • 5990-00-898-1393 replaces 5990-00-677-6500
  • 5990-00-898-1393 replaces 5990-00-677-6501
  • 5990-00-898-1393 replaces 5990-00-862-2767
  • 5990-00-898-1393 replaces 5990-01-127-5617
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

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature but does have other critical featur (s) such as tolerance, fit restrictions 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
    V
  • 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 $5,529.52 to $9,215.86..
Does NSN 5990-00-898-1393 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 Navy, U.s. Coast Guard, Austria, Poland, Brazil, Spain, Australia, Canada, France, Germany, Republic Of Korea, Netherlands, Portugal, Italy, Greece, and Turkey
What is the NIIN of NSN 5990-00-898-1393?
008981393 or 00-898-1393
Does NSN 5990-00-898-1393 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-898-1393?
Solicitation SPE7M020T5512 for qty 10 on 02/27/2020
When was this national stock number assigned to the federal catalog?
Feb 03, 1967