#PM257 Bell Ringing Transformer | Coils And Transformers

PM257

Power Transformer

NSN 5950-00-538-4110

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005384110

Technical Specifications of NSN

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
2.625 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
2.125 inches single mounting facility single center group
Overall Height:
4.219 inches
Frequency Rating:
60.0 hertz single component
Input-output Phase Relationship:
Single phase to single phase single component
Body Length:
3.562 inches
Body Width:
3.062 inches
Body Height:
3.875 inches
Inclosure Type:
Hermetically sealed
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:
0.164 inches single group
Winding Operating Current:
20.0 milliamperes ac single component single secondary
Winding Operating Voltage:
115.00 ac volts single component single primary
Winding Operating Voltage:
2.40 ac kilovolts single component single secondary115.00 ac volts single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
4 standoff insulator
NSN:
5950-00-538-4110
Item Name:
Transformer,bell Ringing
Cage Code:
72149

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
234201
Cage Code:
72149
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
A3444
Cage Code:
90827
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N PM257

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Last Updated: 05/18/2025