Model: MIL-PRF-27/138

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
6.490 inches single mounting facility single center group and 6.510 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
4.490 inches single mounting facility single center group and 4.510 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
8.500 inches
Body Width
Between 5.650 inches and 5.750 inches
Body Height
4.000 inches
Maximum Operating Temp
130.0 degrees celsius
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
3 primary single component and 3 secondary single component
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.190 inches single group
Winding Operating Current
40.0 amperes ac single component 3rd secondary
Winding Operating Voltage
14.00 ac volts single component all secondary
Winding Operating Voltage
226.00 ac volts single component all primary
Test Data Document
81349-mil-t-27 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", "", etc.).
Thread Series Designator
Unf single group
Terminal Type And Quantity
12 standoff, threaded stud
Specification Data
81349-mil-t-27/138 government specification
NSN
5950-01-126-3281
Part Number
MIL-PRF-27/138
Description
Transformer,power
CAGE
81349

Part MIL-PRF-27/138 NSN 5950-01-126-3281

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32496
FIIG:
A058B0
Concept No.:
1
App. Key:
J
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.5 X 5.8 X 4.0
Paclk Weight:
30.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
--
WCC:
595
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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