5990-01-121-1175

Differential Receiver Synchro email this page
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Reference images of this national stock number
Reference of NSN 5990-01-121-1175

Model or part number: MIL-S-20708/67

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pdf NSN 5990-01-121-1175 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:
2.7000 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:
0.5000 inches
MRC:
None.AAZW
Second Shoulder Diameter:
2.7500 inches
MRC:
None.AAZX
Second Shoulder Length:
0.3750 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
5.3600 inches
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
3.1000 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:
2.7000 inches
MRC:
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.ABWV
Shaft Diameter:
0.2405 inches single shaft
MRC:
A measurement of the longest dimension of the shaft,in distinction from width.ABXF
Shaft Length:
0.7000 inches single shaft
MRC:
A designator indicating a graphic representation,in standard and accepted symbols,of essential electrical-electronic elements and related connections on the item.AEBZ
Schematic Diagram Designator:
Err-090
MRC:
The measure of sensitivity of the item to be packaged. a factor used by packaging engineers in devising proper cushioning in a package.AFJN
Fragility Factor:
Moderately rugged
MRC:
An alpha and/or numeric designation indicating the size by which the body is identified.AJSL
Body Size:
31
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:
748.0 milliamperes
MRC:
The value of the primary /electrical/ excitation power for which the stator is rated.AJSQ
Stator Input Electrical Power Rating:
7.8 watts
MRC:
The cycles per second /hertz/ of the alternating current.AJSS
Frequency In Hertz:
60.0
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:
6.500 output to input
MRC:
The limits of permissible deviation in angular arc error from electrical zero,expressed in minutes.AJVL
Electrical Error Angular Range In Minutes:
-10.0/+10.0
MRC:
The number of individual teeth on the splined portion of the shaft.AJVM
Spline Tooth Quantity:
22 single shaft
MRC:
The limits of permissible deviation between the position transmitted and the position assumed when the receiver is connected to a transmitter of equal size,expressed in minutes.AJVN
Receiver Error Angular Range In Minutes:
-48.0/+48.0
MRC:
The measurement taken from the bearing face to the point on the shaft where the weight /load/ is applied.AJWE
Shaft Radial Play Test Point:
0.125 inches
MRC:
The maximum shaft displacement perpendicular to the shaft axis due to reversal of a specified force applied perpendicular to the shaft axis,and measured at a specified distance from the front surface of the unit.AJWG
Shaft Maximum Radial Play:
0.0008 inches
MRC:
The axial shaft displacement due to reversal of a specified axial force,measured at the end of the shaft.AJWH
Shaft End Play:
Between 0.0010 inches and 0.0050 inches
MRC:
A measurement of the longest dimension of a pilot,in distinction from width.AJWQ
Pilot Length:
0.0300 inches
MRC:
None.AJWR
Shoulder Length:
0.6450 inches
MRC:
None.AJWV
Aft Of First Flange Diameter:
2.3220 inches
MRC:
None.AJWX
Mounting Surface To Terminal End Distance:
4.6600 inches
MRC:
The number of teeth the splined shaft has per inch of pitch diameter.AJXA
Spline Tooth Diametral Pitch:
96 single shaft
MRC:
The eccentricity of the shaft diameter with respect to the rotational axis of the shaft,measured at a specified distance from the end of the shaft,when the body of the item is held fixed and the shaft is rotated.AJXB
Shaft Maximum Runout:
0.0008 inches
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:
0.3200 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 force (load) applied perpendicular to the shaft axis to determine radial play.CWXK
Shaft Radial Play Determining Weight:
16.0 ounces
MRC:
The force (load) applied parallel to the shaft axis to determine end play.CWYF
Shaft End Play Determining Weight:
16.0 ounces
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-20708/67 government specification
MRC:
--
NIIN:
011211175
MRC:
--
NATO Stock Number:
5990-01-121-1175
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
Yes - DEMIL/MLI
Export Control Information  
FIIG:
--
FIIG:
A07800
MRC:
--
INC:
02070
MRC:
--
IMM:
TX
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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.

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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.

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Shipping

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 5990-01-121-1175

A synchro, the rotor of which is free to turn, which will assume a position in accordance with the sum or difference of the electrical angular information received from two transmitter synchros. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.0000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
Q
LVL_B:
Q
LVL_C:
U
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
JC
MOP:
52
PKG:
69F0
PRES MAT:
00
WRAP MAT:
EA
ICQ:
AAA
THK:
X
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

LVL C Code (LVL_C) U

Items or packages that require packing for acceptance by the carrier shall be packed in exterior type shipping containers in a manner that will ensure safe transportation at the lowest rate to the point of delivery and shall meet, as a minimum, the requirements of the following rules and regulations, as applicable to the mode(s) of transportation to be utilized: (a) postal regulations, (b) department of transportation regulations, (c) civil air regulations, (d) uniform freight classification rules, (e) national motor freight classification rules, (f) american truckers' association rules, (g) other applicable carriers' rules, (h) military air regulations for dangerous materials. consolidation of shipments. all exterior packs of 1.5 cubic feet or less having no single dimension (length, width, height) exceeding 40 inches (and when the total number of such containers in any individual shipment exceeds 25), shall be consolidated, using flat pallets, box pallets, or containers as the consolidating media. dangerous goods shall be prepared for shipment according to applicable department of transportation (dot) regulations and international regulations in effect at time of shipment. shipment by parcel post must comply with postal regulations.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 03

Method 50.

Method of Preservation (MOP) 52

Container, watervaporproof bag, sealed, container.

Cushion Material (CUSH) JC

Astm-d4727, domestic fiberboard used as pads, cells, die cuts or sleeves.

Preservation Material (PRES_MAT) 00

No requirement.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A 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.
SITC Commodity 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:
--
WCC:
593
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) 593

Motors 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.
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