ETH8F4L380

View detailed technical data, stock status, and sourcing information for: ETH8F4L380

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ETH8F4L380
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5990 Synchros and Resolvers
National Stock Number
5990-00-942-1846
Item Name Code
15289
Assigment Date
12/23/1965 (60 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

2.0680 inches maximum overall length, 0.5000 inches nominal pilot diameter, unable to decode body material, 0.7500 inches nominal flange diameter, standard round a body style

Product Characteristics

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

Body Material
unable to decode
Body Style
standard round a
Pilot Diameter
0.5000 inches nominal
Overall Length
2.0680 inches maximum
Flange Diameter
0.7500 inches nominal
Flange Thickness
0.0620 inches nominal
Undercut Diameter
0.6870 inches nominal
Undercut Width
0.0620 inches nominal
Shaft Diameter
0.0900 inches nominal single shaft
Shaft Length
0.4380 inches nominal single shaft
Fragility Factor
moderately rugged
Body Size
8
Stator Input Voltage Rating In Volts
26.0 nominal
Stator Input Current Rating
30.0 milliamperes nominal
Stator Input Electrical Power Rating
73.0 milliwatts nominal
Frequency In Hertz
400.0 nominal
Zro Resistance In Ohms
470.00 nominal
Zso Resistance In Ohms
81.00 nominal
Rotor Dc Resistance In Ohms
344.00 nominal
Stator Dc Resistance In Ohms
63.00 nominal
Phase Shift Angle In Deg
8.000 input to output nominal
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 input
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Electrical Error Angular Range In Minutes
-7.0 to 7.0
Pilot Length
0.0430 inches nominal
Mounting Surface To Terminal End Distance
1.5630 inches maximum
Terminal Location
rear
Plus J Zro Reactance In Ohms
1960.00 nominal
Plus J Zso Reactance In Ohms
330.00 nominal
Shaft Type
round single shaft
Transformation Ratio
2.203 rotor to stator nominal
Terminal Type And Quantity
5 wire lead

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5990-00-020-9688 No Name Available 07/01/1989
5990-00-059-9384 No Name Available 12/01/1982

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
5413-130-1L380 Control Transformer Synchro
75002013701 Control Transformer Synchro
ETH-8-F-4 Control Transformer Synchro
ETH8F4L380 Control Transformer Synchro
U207714-9-5-8 Control Transformer Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-942-1846?
The FSCG of the NSN 5990-00-942-1846 is 5990
Does the NSN 5990-00-942-1846 have a Schedule B code assigned?
Yes, the Schedule B code is 9014900000
Does NSN 5990-00-942-1846 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 5990-00-942-1846 contain precious materials?
Precious metal content is unknown
Does NSN 5990-00-942-1846 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 5990-00-942-1846 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Thu, Dec 23, 1965

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