#N2557-43330-1 Voltage Regulating Power Transformer | Coils And Transformers

N2557-43330-1

Power Transformer

NSN 5950-00-856-2690

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008562690

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
1.375 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
1.250 inches single mounting facility single center group
Frequency Rating:
400.0 hertz single component
Input-output Phase Relationship:
Single phase to single phase single component
Body Length:
1.938 inches
Body Width:
1.813 inches
Body Height:
2.438 inches
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded stud single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi):
32 single group
Thread Size:
0.138 inches single group
Winding Operating Current:
80.0 milliamperes ac single component single secondary
Winding Operating Voltage:
13.00 ac volts single component single secondary and 21.00 ac volts single component single secondary and 30.00 ac volts single component single secondary and 46.00 ac volts single component single secondary
Winding Operating Voltage:
115.00 ac volts single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
7 standoff, threaded stud
NSN:
5950-00-856-2690
Item Name:
Transformer,power,voltage Regulating
Cage Code:
80020

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2557-43330REVC
Cage Code:
14418
RNCC:
3
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
AT3744
Cage Code:
97102
RNCC:
5
RNVC:
9
RNAAC:
KE
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N N2557-43330-1

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Last Updated: 08/08/2025