Receiver-transmitter Synchro

NSN: 5990-00-085-0829 | Model: AY3701-4C2

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

5990-00-085-0829

DEMIL

Yes - ITAR Controlled (Code D)

Body Material

Steel, corrosion resisting

Body Style

Standard round double flange a

Shoulder Diameter

Between 3.3290 inches and 3.3340 inches

Pilot Diameter

1.6250 inches

Second Shoulder Diameter

Between 3.3740 inches and 3.3750 inches

Second Shoulder Length

0.3750 inches

Overall Length

5.9200 inches

Flange Diameter

Between 3.6240 inches and 3.6250 inches

Flange Thickness

0.2500 inches

Body Diameter

Between 3.3850 inches and 3.3900 inches

Shaft Diameter

0.2403 inches single shaft and 0.2405 inches single shaft

Shaft Length

0.8900 inches single shaft

Distance Between Flanges

1.3120 inches

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

1.9 amperes

Rotor Input Electrical Power Rating

20.0 watts

Zss Impedance Magnitude In Ohms

Between 3.00 and 4.00

Zss Impedance Angle In Deg

Between 66.00 and 70.00

Phase Shift Angle In Deg

1.000 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

0.900 inch-ounces

Pilot Length

0.1600 inches

Shoulder Length

0.6550 inches

Aft Of Second Flange Diameter

Between 3.3740 inches and 3.3750 inches

Mounting Surface To Terminal End Distance

4.0300 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

0.3870 inches single shaft

Shaft Type

Spline w/threads single shaft

Transformation Ratio

0.783 rotor to stator

Shaft Thread Size

0.250 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-20708/70 government specification

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M221T2463	2021-03-08	PMCMV	1 EA
SPE7L417T3714	2017-07-21	PLCL3	1 EA

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 5990-00-085-0829 Datasheet

Supply Class (FSC):

Synchros And Resolvers

Cross Reference:

AY3701-4C2
AJ10029-1
AS20708/70
808112
AY3701-4C2
37TRX4A
MILS20708-70-37T
37TRX4A
37TX4B
MIL-S-20708/70
M20708-70-001
M20708-70-01A

Cage Codes:

Bendix Corp The (CAGE 06840)
Wilson Trophy Co (CAGE 08480)
Sae Customer Service (CAGE 0VH01)
3 Communications Corporation L (CAGE 06141)
Raytheon Company (CAGE 06845)
General Dynamics Global Imaging (CAGE 10112)
Military Specifications (CAGE 81349)

Replacements:

5990-00-085-0829 replaces 5990-00-722-7334
5990-00-085-0829 replaces 5990-00-957-6125
5990-00-085-0829 replaces 5990-00-994-6344
5990-00-085-0829 replaces 5990-01-036-8802

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:

H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
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
7
MGMT_CTL
-------
Repariability
If condemned or uneconomically repairable , then dispose at direct support (ds) level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,657.77 to $7,762.95..
Does NSN 5990-00-085-0829 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 Air Force, U.s. Marine Corps, Department Of The Navy, Poland, Spain, Australia, New Zealand, Republic Of Korea, United Kingdom, Greece, and Turkey
What is the NIIN of NSN 5990-00-085-0829?
000850829 or 00-085-0829
Does NSN 5990-00-085-0829 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-085-0829?
Solicitation SPE7M221T2463 for qty 1 on 03/25/2021
When was this national stock number assigned to the federal catalog?
Dec 24, 1967