Transmitter Synchro

NSN: 5990-00-756-2555 | Model: 8212801

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

5990-00-756-2555

DEMIL

Yes - ITAR Controlled (Code D)

Body Material

Steel, corrosion resisting

Body Style

Standard round d

Shoulder Diameter

1.9900 inches

Pilot Diameter

0.6000 inches

Second Shoulder Diameter

1.9995 inches

Second Shoulder Length

0.1720 inches

Overall Length

4.2940 inches

Flange Diameter

2.2500 inches

Flange Thickness

0.2500 inches

Body Diameter

1.9900 inches

Shaft Diameter

0.2405 inches single shaft

Shaft Length

0.6730 inches single shaft

Fragility Factor

Moderately rugged

Maximum Tempurature Rise

45.0 degrees celsius

Body Size

Rotor Input Voltage Rating In Volts

115.0

Frequency In Hertz

400.0

Rotor Input Current Rating

264.0 milliamperes

Rotor Input Electrical Power Rating

2.5 watts

Zro Resistance In Ohms

50.10

Zso Resistance In Ohms

33.80

Zrs Resistance In Ohms

38.50

Zss Resistance In Ohms

19.30

Zso-9 Designator Resistance In Ohms

17.90

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

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

Pilot Length

0.0460 inches

Shoulder Length

0.2500 inches

Aft Of First Flange Diameter

1.9995 inches

Mounting Surface To Terminal End Distance

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 single shaft

Terminal Location

Rear

Shaft Thread Length

0.2660 inches single shaft

Plus J Zro Reactance In Ohms

544.00

Plus J Zso Reactance In Ohms

246.00

Plus J Zrs Reactance In Ohms

35.50

Shaft Type

Spline w/threads single shaft

Plus J Zss Reactance In Ohms

16.40

Transformation Ratio

0.783 rotor to stator

Plus J Zso-9 Designator Reactance In Ohms

86.90

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

6 screw

Specification Data

81349-mil-s-20708/94 government specification

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M018T6023	2018-03-15	PMCM4	1 EA
SPE7M117T1591	2016-11-10	PMCMV	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 5990-00-756-2555 Datasheet

Supply Class (FSC):

Synchros And Resolvers

Cross Reference:

8212801
MIL-S-20708/94
CX23-4X3
23CX4A
VCX23/36-4B
AY240BA 1 A1
8212801
MS51082-2

Cage Codes:

Military Specifications (CAGE 81349)
General Dynamics Global Imaging (CAGE 10112)
Honeywell Intl Inc (CAGE 55972)
Us Army Ardec Rdecom (CAGE 19200)
Military Standards (CAGE 96906)

Replacements:

5990-00-756-2555 replaces 5990-00-673-5448
5990-00-756-2555 replaces 5990-00-770-3504

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 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
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 $1,757.42 to $2,929.03..
Does NSN 5990-00-756-2555 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, Germany, Republic Of Korea, Norway, Greece, and Turkey
What is the NIIN of NSN 5990-00-756-2555?
007562555 or 00-756-2555
Does NSN 5990-00-756-2555 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-756-2555?
Solicitation SPE7M018T6023 for qty 1 on 03/05/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1960