PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12827Transformer,power

Dover Corp Groen Div · NSN 5950-01-137-7837 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-137-7837 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-137-7837. Primary manufacturer part number: 12827.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 430.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Body Width: 3.000 INCHES NOMINAL IN
  • Mounting Slot Width: 0.203 INCHES NOMINAL SINGLE GROUP IN
  • Winding Operating Voltage: 220.00 AC VOLTS MINIMUM AND 240.00 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-137-7837, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dover Corp Groen Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-01-137-7837
Primary Part Number12827
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDover Corp Groen Div
StatusCANCELLED
Winding Operating Current430.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Body Width3.000 INCHES NOMINAL IN
Mounting Slot Width0.203 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage220.00 AC VOLTS MINIMUM AND 240.00 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
Maximum Transformer Power Rating50.0 VOLT-AMPERE SINGLE COMPONENT
Terminal Type and Quantity6 SCREW
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage110.00 AC VOLTS MINIMUM AND 120.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length3.000 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Operating Temp105.0 CELSIUS DEGC
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.562 INCHES NOMINAL IN
Mounting MethodSLOT SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5905-00-411-1246900532-7 INTERCHANGEABLE
Resistor,fixed,wire Wound
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4610-01-021-0108D0800 INTERCHANGEABLE
Demineralizer,water,ion Exchange
Thermo Fisher Scientific (asheville) Llc Div Laboratory Products Division
5950-01-256-1571 INTERCHANGEABLE
Transformer,power
5950-01-330-7693 INTERCHANGEABLE
Transformer,power
5120-01-430-7767 INTERCHANGEABLE
Adapter,socket Wrench
2520-01-702-655712827 INTERCHANGEABLE
Cover,transmission
Italwatt S.r.l.
Cross-Reference Index
Part NumberManufacturer
12827 PRIMARY Dover Corp Groen Div (USA)
17753-24 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
B050BTZ13JA Micron Industries Corp (USA)
B050BTZ13 Micron Industries Corp (USA)
R050-BTZ-13 Micron Industries Corp (USA)
B050BTZ13JK Micron Industries Corp (USA)
Related Parts
5905-00-411-1246INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
900532-7
4610-01-021-0108INTERCHANGEABLE
DEMINERALIZER,WATER,ION EXCHANGE
D0800
5950-01-256-1571INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-330-7693INTERCHANGEABLE
TRANSFORMER,POWER
5120-01-430-7767INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
2520-01-702-6557INTERCHANGEABLE
COVER,TRANSMISSION
12827

Frequently Asked Questions

What is NSN 5950-01-137-7837?

NSN 5950-01-137-7837 is a Transformer,power, manufactured by Dover Corp Groen Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-137-7837?

NSN 5950-01-137-7837 has 6 cross-referenced part numbers: 12827 (Dover Corp Groen Div), 17753-24 (The Electric Heater Co Dba Hubbell Electric Heater Co.), B050BTZ13JA (Micron Industries Corp), B050BTZ13 (Micron Industries Corp), R050-BTZ-13 (Micron Industries Corp) and 1 more.

What NSN replaces 5950-01-137-7837?

There are 6 known substitutes for 5950-01-137-7837: 5905-00-411-1246, 4610-01-021-0108, 5950-01-256-1571 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12827?

Key specifications for 12827: Winding Operating Current: 430.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Special Features: ITEM SUPPLIED WITH J-2 JUMPERS AND TYPE K FUSE CLIPS ON SECONDARY; Mounting Facility Quantity: 4 SINGLE GROUP; Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-137-7837 still in active supply?

NSN 5950-01-137-7837 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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