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Power Transformer

NSN: 5950-01-269-9059 | Model: M27/313-15

A transformer consisting of one or more primary windin (s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes transformer (1) , pulse.

NSN Properties and Flags
NATO Stock Number
Reliability Indicator
Not established
Overall Length
Between 2.029 inches and 2.091 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.484 inches single mounting facility single center group and 1.516 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.234 inches single mounting facility single center group and 1.266 inches single mounting facility single center group
Overall Height
Between 3.062 inches and 3.188 inches
Overall Width
Between 1.719 inches and 1.781 inches
Frequency Rating
50.0 hertz single component or 60.0 hertz single component
Input-output Phase Relationship
Single phase to single phase single component
Maximum Transformer Power Rating
10.0 volt-ampere single component
Maximum Operating Temp
130.0 degrees celsius
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Thread Size
0.138 inches single group
Winding Operating Current
260.0 milliamperes ac single component single secondary
Winding Operating Voltage
39.00 ac volts single component single secondary
Test Data Document
81349-mil-prf-29 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
Unc single group
Terminal Type And Quantity
5 wire hook
Specification Data
81349-mil-prf-27/313 government specification

Inventory Check

The last inventory check on this NSN was done on 09/18/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 4

Pricing and Availability

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NSN 5950-01-269-9059 Datasheet

Supply Class (FSC):
Coils And Transformers
Cross Reference:
  • M27/313-15
  • MIL-PRF-27/313
  • MIL-T-27/313
Cage Codes:
  • Military Specifications (CAGE 81349)
Schedule B & Trade:
  • Schedule B: 8504314035 (NAICS 334416)

    Transformers, having a power handling capacity less than 40 va, nesoi

  • SITC: 77119

    Electric transformers, n.E.S.

  • End Use: 20000

    Generators, accessories


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


A - Item does not contain precious metal.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    063420 - Transformers, noi, or transformer par

  • WCC:

    595 - Transformer, (machinery and parts),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,182.17 to $5,303.61..
Does NSN 5950-01-269-9059 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 5950-01-269-9059?
012699059 or 01-269-9059
Does NSN 5950-01-269-9059 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5950-01-269-9059?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 23, 1987