#81H311 Distribution Power Transformer | Coils And Transformers

81H311

Power Transformer

NSN 5950-00-553-4552

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005534552

Product Features

Reference data, fig 275, index 117, t-1301, t.O. 31p6-2fps20-4, sec 2, pg 731; bxr specification dwg n291823-1

Detail Specifications

Center To Center Distance Between Mounting Facilities Parallel To Width:
4.469 inches single mounting facility single center group
Frequency Rating:
50.0 hertz single component and 60.0 hertz single component
Input-output Phase Relationship:
Three phase to three phase single component
Winding Shielding Method:
Internal shield grounded to core and brought out to terminal single component
Body Length:
28.810 inches
Body Width:
14.060 inches
Body Height:
28.310 inches
End Application:
An/fps-20
Inclosure Type:
Fully enclosed with oil
Mounting Facility Quantity:
14 single group
Mounting Method:
Flange single group
Winding Function And Quantity:
1 primary single component and 2 secondary single component
Winding Operating Current:
1.64 amperes ac single component 1st secondary
Winding Operating Current:
1.64 amperes ac single component 2nd secondary
NSN:
5950-00-553-4552
Item Name:
Transformer,power,distribution
Cage Code:
99207

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
N291823-1
Cage Code:
06845
RNCC:
3
RNVC:
2
RNAAC:
MC
Status:
A
MSDS:
SADC:
Part Number:
155X324
Cage Code:
99207
RNCC:
5
RNVC:
2
RNAAC:
MC
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N 81H311

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Last Updated: 07/28/2025