Model: ST-12AY-1

Transmitter Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
2.8250 inches
Flange Diameter
Between 1.0500 inches and 1.0510 inches
Flange Thickness
Between 0.0900 inches and 0.0960 inches
Undercut Diameter
Between 0.9290 inches and 0.9410 inches
Undercut Width
Between 0.0970 inches and 0.1030 inches
Shaft Diameter
0.1870 inches single shaft and 0.1872 inches single shaft
Shaft Length
0.5450 inches single shaft and 0.5650 inches single shaft
Maximum Tempurature Rise
20.0 degrees celsius
Body Size
11
Rotor Input Voltage Rating In Volts
26.0
Frequency In Hertz
400.0
Rotor Input Current Rating
300.0 milliamperes
Rotor Input Electrical Power Rating
1.1 watts
Zro Resistance In Ohms
16.00
Zso Resistance In Ohms
3.70
Zrs Resistance In Ohms
22.00
Zss Resistance In Ohms
4.10
Phase Shift Angle In Deg
4.000 input to output
Spline Tooth Quantity
21 single shaft
Torque Gradient Per Angular Deg
0.008 inch-ounces
Shaft Radial Play Test Point
0.125 inches
Shaft Maximum Radial Play
0.0008 inches
Shaft End Play
0.0010 inches
Pilot Length
Between 0.0590 inches and 0.0650 inches
Shoulder Length
Between 0.0590 inches and 0.0650 inches
Mounting Surface To Terminal End Distance
2.2500 inches
Spline Tooth Diametral Pitch
120 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
0.2700 inches single shaft
Plus J Zro Reactance In Ohms
107.00
Plus J Zso Reactance In Ohms
18.10
Plus J Zrs Reactance In Ohms
8.90
Shaft Type
Spline w/threads single shaft
Alignment Hole Depth
0.1250 inches
Plus J Zss Reactance In Ohms
1.40
Transformation Ratio
0.454 rotor to stator
Alignment Hole Bolt Circle Diameter
Between 0.8090 inches and 0.8150 inches
Shaft Thread Size
0.190 inches single shaft
Shaft Radial Play Determining Weight
8.0 ounces
Terminal Type And Quantity
1 connector, plug
NSN
5990-01-160-5967
Part Number
ST-12AY-1
Description
Synchro,transmitter
CAGE
1U5F4

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.

Part ST-12AY-1 NSN 5990-01-160-5967

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02073
FIIG:
A07800
Concept No.:
1
App. Key:
H
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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