Model: R925-3A

Transmitter Synchro

Properties:

Body Material
Any acceptable
Body Style
Standard round c
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
2.2320 inches
Flange Diameter
Between 1.0570 inches and 1.0650 inches
Flange Thickness
Between 0.0900 inches and 0.0960 inches
Undercut Diameter
Between 0.9700 inches and 0.9800 inches
Undercut Width
Between 0.0450 inches and 0.0550 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.4260 inches single shaft and 0.4500 inches single shaft
Body Size
11
Rotor Input Voltage Rating In Volts
115.0
Frequency In Hertz
400.0
Rotor Input Current Rating
50.0 milliamperes
Rotor Input Electrical Power Rating
970.0 milliwatts
Zro Impedance Magnitude In Ohms
2598.00
Zro Impedance Angle In Deg
81.80
Zso Impedance Magnitude In Ohms
60.00
Zso Impedance Angle In Deg
78.50
Rotor Dc Resistance In Ohms
Between 207.10 and 228.90
Stator Dc Resistance In Ohms
Between 8.925 and 12.075
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Minus 55 Deg Celsius
3.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
0.3 centimeter-grams
Torque Gradient Per Angular Deg
4000.000 millimeter-milligrams
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
1.7960 inches
Terminal Location
Rear
Shaft Slot Depth
0.0300 inches single shaft
Shaft Slot Width
0.0250 inches single shaft
Shaft Type
Round, slotted single shaft
Transformation Ratio
0.152 rotor to stator
Terminal Type And Quantity
5 wire lead
NSN
5990-00-600-6151
Part Number
R925-3A
Description
Synchro,transmitter
CAGE
88818

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 R925-3A NSN 5990-00-600-6151

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
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:
Trailers/Vehicles

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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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