Model: VTCB16-4C2

Control Transformer Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Standard round b
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.8745 inches and 0.8750 inches
Overall Length
3.1330 inches
Flange Diameter
Between 1.5320 inches and 1.5410 inches
Flange Thickness
Between 0.0900 inches and 0.0960 inches
Undercut Width
Between 0.0730 inches and 0.0830 inches
Shaft Diameter
0.1870 inches single shaft and 0.1872 inches single shaft
Shaft Length
2.6330 inches single shaft
Body Size
16
Stator Input Voltage Rating In Volts
115.0
Stator Input Current Rating
24.0 milliamperes
Stator Input Electrical Power Rating
600.0 milliwatts
Frequency In Hertz
400.0
Phase Shift Angle In Deg
8.000 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
40.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Electrical Error Angular Range In Minutes
-10.0/+10.0
Spline Tooth Quantity
21 single shaft
Torque Gradient Per Angular Deg
0.050 inch-ounces
Pilot Length
Between 0.0370 inches and 0.0430 inches
Shoulder Length
Between 0.1270 inches and 0.1370 inches
Mounting Surface To Terminal End Distance
Between 2.5775 inches and 2.5780 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
Terminal Location
Rear
Shaft Thread Length
0.2000 inches single shaft
Shaft Type
Spline w/threads single shaft
Transformation Ratio
0.735 rotor to stator
Shaft Thread Size
0.184 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-20708/25 government specification
NSN
5990-00-677-6476
Part Number
VTCB16-4C2
Description
Synchro,control Transformer
CAGE
10112

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

Part VTCB16-4C2 NSN 5990-00-677-6476

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15289
FIIG:
A07800
Concept No.:
1
App. Key:
B
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:
2.0000lbs
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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