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NSN 5990-00-677-6498 Datasheet
MRC:
The basic material of which the body is fabricated.AAFZ
Body Material:
Steel, corrosion resisting
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Standard round d
MRC:
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.AAVH
Shoulder Diameter:
Between 1.9850 inches and 1.9900 inches
MRC:
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.AAVL
Pilot Diameter:
0.5970 inches
MRC:
None.AAZW
Second Shoulder Diameter:
Between 1.9990 inches and 1.9995 inches
MRC:
None.AAZX
Second Shoulder Length:
0.1700 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
4.5490 inches
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
Between 2.2490 inches and 2.2500 inches
MRC:
A measurement of the smallest dimension of a flange,in distinction from length or width.ABKU
Flange Thickness:
0.2500 inches
MRC:
The length of a straight line which passes through the center of the body,and terminates at the circumference.ABPM
Body Diameter:
1.9900 inches
MRC:
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.ABWV
Shaft Diameter:
0.2400 inches single shaft and 0.2405 inches single shaft
MRC:
A measurement of the longest dimension of the shaft,in distinction from width.ABXF
Shaft Length:
0.7190 inches single shaft
MRC:
The maximum permissible temperature increase in the item as a result of its operation under normal conditions.AHCG
Maximum Tempurature Rise:
25.0 degrees celsius
MRC:
An alpha and/or numeric designation indicating the size by which the body is identified.AJSL
Body Size:
23
MRC:
The value of the primary excitation voltage for which the stator is rated,expressed in volts.AJSN
Stator Input Voltage Rating In Volts:
90.0
MRC:
The value of the primary excitation current for which the stator is rated,with rotor /secondary/ circuit open.AJSP
Stator Input Current Rating:
215.0 milliamperes
MRC:
The value of the primary /electrical/ excitation power for which the stator is rated.AJSQ
Stator Input Electrical Power Rating:
4.8 watts
MRC:
The cycles per second /hertz/ of the alternating current.AJSS
Frequency In Hertz:
60.0
MRC:
The magnitude part /z/ of the stator impedance with the rotor open /zso/,expressed in ohms.AJTJ
Zso Impedance Magnitude In Ohms:
Between 370.00 and 470.00
MRC:
The angle part /o/ of the stator impedance with the rotor open /zso/,expressed in degrees.AJTK
Zso Impedance Angle In Deg:
Between 74.00 and 78.00
MRC:
The magnitude part /z/ of the rotor impedance with the stator shorted /zrs/,expressed in ohms.AJTL
Zrs Impedance Magnitude In Ohms:
Between 175.00 and 220.00
MRC:
The angle part /o/ of the rotor impedance with the stator shorted /zrs/,expressed in degrees.AJTM
Zrs Impedance Angle In Deg:
Between 15.00 and 20.00
MRC:
The difference between the phase time of two or more voltages or currents of the same frequency,at the same instant of time,expressed in degrees.AJVF
Phase Shift Angle In Deg:
11.500 input to output
MRC:
The limits of permissible deviation in angular arc error from electrical zero,expressed in minutes.AJVL
Electrical Error Angular Range In Minutes:
-6.0/+6.0
MRC:
The number of individual teeth on the splined portion of the shaft.AJVM
Spline Tooth Quantity:
22 single shaft
MRC:
The average torque per angular degree developed between two like items,when one rotor is turned /or displaced/ at 2 degree intervals,between a 10 degree counterclockwise position and 10 degree clockwise position.AJVV
Torque Gradient Per Angular Deg:
0.030 inch-ounces
MRC:
A measurement of the longest dimension of a pilot,in distinction from width.AJWQ
Pilot Length:
0.0430 inches
MRC:
None.AJWR
Shoulder Length:
0.2500 inches
MRC:
None.AJWV
Aft Of First Flange Diameter:
Between 1.9990 inches and 1.9995 inches
MRC:
None.AJWX
Mounting Surface To Terminal End Distance:
3.8300 inches
MRC:
The number of teeth the splined shaft has per inch of pitch diameter.AJXA
Spline Tooth Diametral Pitch:
96 single shaft
MRC:
A designation distinguishing one group of shaft thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.AJYY
Shaft Thread Series Designator:
Unf single shaft
MRC:
The direction of the shaft thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AKAF
Shaft Thread Direction:
Right-hand single shaft
MRC:
A numeric-alpha designator indicating the ptich diameter tolerance,and an external or internal shaft thread.AKAN
Shaft Thread Class:
2a
MRC:
Indicates the location of the terminal/s/ on the item.CQTM
Terminal Location:
Rear
MRC:
A measurement of the extent of the shaft threads measured on a line parallel to the longitudinal axis.CQWQ
Shaft Thread Length:
0.2900 inches single shaft
MRC:
Indicates the type of shaft included on the item.CRSJ
Shaft Type:
Spline w/threads single shaft
MRC:
The ratio of the output voltage to the input voltage at maximum coupling.CSJY
Transformation Ratio:
1.154 rotor to stator
MRC:
The length of a straight line passing through the center of the shaft threaded portion,with terminated points at the circumference.CWBH
Shaft Thread Size:
0.250 inches single shaft
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
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.).
MRC:
Indicates the type and number of terminals for providing electrical connection.TTQY
Terminal Type And Quantity:
6 screw
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81349-mil-s-20708/55 government specification
MRC:
--
NIIN:
006776498
MRC:
--
NATO Stock Number:
5990-00-677-6498
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A07800
MRC:
--
INC:
02071
MRC:
--
IMM:
TX
All Products Certified
Factory New, New Material, New Surplus, Overhauled, Serviceable,
Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance,
and any other documents/trace when applicable. We have a 7 year record retention.
Quality | ISO 9001:2015 + AS9120B
We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC,
ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.
Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.
Delivery dates for NON-STOCK items are estimates based on current backlog and are subject
to confirmation at the time of order.
Formal Definition
Government issue definition of NSN 5990-00-677-6498
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.
Import / Export
Schedule B Classification
Schedule B Number
NAICNational Association of Insurance Commissioners
End UseA classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITCCommodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
9014900000
NAICS:
334511
End Use Class:
22220
SITC:
87412
USDA:
1
HITECH:
0
Schedule B Codes Definitions:
Schedule B 9014900000
Parts & Accessories For Direction Finding Compasses and Other Navigational Instruments and Appliances
End Use Code 22220
Marine Engines, Parts
Standard Intl. Trade Class (SITC) 87412
Parts and Accessories Of Navigational Instruments and Appliances
Freight
Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
062120
NMF Description:
Generators/motors/parts Noi
UFC:
34760
LTL:
Rating variable
LCL:
70.0
WCC:
590
TCC:
Z
SHC:
9
ADC:
A
ACC:
H
Freight Codes Definitions:
Cargo Type (TCC) Z
No special type of cargo code applicable.
Water Commodity (WCC) 590
Generators and parts, (machinery and parts),(less than 35 feet).
Air Commodity (ACC) H
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps).
Air Dimensions (ADC) A
Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Special Handling (SHC) 9
Other or no special handling required (sh)
Manufacturers
This NSN is registered to the following cage codes.
NSN 5990-00-677-6498 Datasheet
