7HDGMK11

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7HDGMK11
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5990 Synchros and Resolvers
National Stock Number
5990-00-644-0088
Item Name Code
02071
Assigment Date
01/01/1963 (63 years ago)

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.

standard round double flange a body style, 4.8740 inches maximum shoulder diameter, 5.5000 inches maximum second shoulder diameter, 1.7500 inches maximum pilot diameter, 0.5000 inches maximum second shoulder length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style
standard round double flange a
Shoulder Diameter
4.8740 inches maximum
Pilot Diameter
1.7500 inches maximum
Second Shoulder Diameter
5.5000 inches maximum
Second Shoulder Length
0.5000 inches maximum
Overall Length
9.2100 inches maximum
Flange Diameter
5.7480 inches minimum and 5.7500 inches maximum
Flange Thickness
0.2450 inches minimum and 0.2500 inches maximum
Body Diameter
5.3750 inches maximum
Shaft Diameter
0.3500 inches minimum and 0.3505 inches maximum single shaft
Shaft Length
1.0320 inches nominal single shaft
Shaft Undercut Width
0.0600 inches nominal single shaft
Distance Between Flanges
3.2500 inches nominal
Maximum Temp Rise
50.0 celsius
Body Size
58
Stator Input Voltage Rating In Volts
115.0 nominal
Stator Input Current Rating
3.5 amperes maximum
Stator Input Electrical Power Rating
30.0 watts maximum
Frequency In Hertz
60.0 nominal
Zro Resistance In Ohms
400.00 nominal
Electrical Error Angular Range In Minutes
-18.0 to 18.0
Torque Gradient Per Angular Deg
4.000 inch-ounces minimum
Pilot Length
0.2500 inches nominal
Shoulder Length
unable to decode
Aft Of Second Flange Diameter
4.8750 inches nominal
Mounting Surface To Terminal End Distance
6.6180 inches nominal
Shaft Thread Series Designator
unf single shaft
Shaft Thread Direction
right-hand single shaft
Shaft Thread Class
2a single shaft
Body Material
aluminum
Terminal Location
rear
Plus J Zro Reactance In Ohms
660.00 nominal
Shaft Tapered End Minor Diameter
0.2500 inches nominal single shaft
Shaft Type
round, tapered, threaded, undercut single shaft
Transformation Ratio
0.990 rotor to stator nominal
Shaft Taper Angle In Deg
3.5 single shaft
Shaft Tip Length
0.2200 inches nominal single shaft
Shaft Taper Length
0.3750 inches nominal single shaft
Shaft Nominal Thread Size
0.250 inches single shaft
Shaft Undercut Diameter
0.0600 inches nominal single shaft
Special Features
shaft keyed with no. 00 woodruff keywhitney no. 207
Test Data Document
"81349-mil-s-2335 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", "nominal", etc.)."
Terminal Type And Quantity
6 screw
Specification/Standard Data
81349-mil-s-2335 government specification

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
213398PC1 Differential Transmitter Synchro
561794PC4 Differential Transmitter Synchro
7HDGMK11 Differential Transmitter Synchro
SK139480 Differential Transmitter Synchro

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5990-00-644-0088?
The FSCG of the NSN 5990-00-644-0088 is 5990
Does the NSN 5990-00-644-0088 have a Schedule B code assigned?
Yes, the Schedule B code is 9014900000
Does NSN 5990-00-644-0088 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 5990-00-644-0088 contain precious materials?
Precious metal content is unknown
Does NSN 5990-00-644-0088 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5990-00-644-0088 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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