PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10178371Transformer,power

Us Army Aviation and Missile Command · NSN 5950-00-990-9057 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-990-9057 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-990-9057. Primary manufacturer part number: 10178371.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Body Height: 1.560 INCHES MAXIMUM IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 20.37 AC VOLTS NOMINAL AND 26.80 AC VOLTS NOMINAL AND 33.23 AC VOLTS NOMINAL AND 53.60 AC VOLTS NOMINAL AND 199.80 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Body Width: 2.000 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-990-9057, 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 Us Army Aviation and Missile Command. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-990-9057
Primary Part Number10178371
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Height1.560 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage20.37 AC VOLTS NOMINAL AND 26.80 AC VOLTS NOMINAL AND 33.23 AC VOLTS NOMINAL AND 53.60 AC VOLTS NOMINAL AND 199.80 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Width2.000 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp60.0 CELSIUS DEGC
Terminal Type and Quantity15 TURRET
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage25.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current30.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.750 INCHES MAXIMUM IN
Winding Operating Voltage240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage3.75 AC VOLTS NOMINAL AND 9.10 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.560 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5996-00-058-1613A81-25 INTERCHANGEABLE
Amplifier Assembly
Andrea Systems Llc
6665-00-097-038850586 INTERCHANGEABLE
Detector Assembly,t
Mirion Technologies (canberra), Inc.
2520-00-378-119463429H INTERCHANGEABLE
Shifter Fork,vehicular
Navistar Intl Corp Truck Br Ohio Plant
5340-00-537-7645 INTERCHANGEABLE
Turnbuckle
5331-00-542-142012130-5 INTERCHANGEABLE
O-Ring
Solar Turbines Incorporated Dba Solar Turbines Incorporated
6625-00-738-5975554-0308-001 INTERCHANGEABLE
Adapter,test
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
1650-01-220-928862987 INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
4510-01-299-7087 INTERCHANGEABLE
Stem,faucet
4810-01-428-899350586 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
50586 Coiltron Inc Div Coiltron (USA)
62987 Topaz Inc Sub of Square D Co Powermark Div (USA)
A8125 Square D Co Epe/topaz (USA)
50586 Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi (TUR)
A8125 Magnetic Devices Inc (USA)
10178371 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5996-00-058-1613INTERCHANGEABLE
AMPLIFIER ASSEMBLY
A81-25
6665-00-097-0388INTERCHANGEABLE
DETECTOR ASSEMBLY,T
50586
2520-00-378-1194INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
63429H
5340-00-537-7645INTERCHANGEABLE
TURNBUCKLE
5331-00-542-1420INTERCHANGEABLE
O-RING
12130-5
6625-00-738-5975INTERCHANGEABLE
ADAPTER,TEST
554-0308-001
1650-01-220-9288INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP
62987
4510-01-299-7087INTERCHANGEABLE
STEM,FAUCET
4810-01-428-8993INTERCHANGEABLE
SEAT,VALVE
50586

Frequently Asked Questions

What is NSN 5950-00-990-9057?

NSN 5950-00-990-9057 is a Transformer,power, manufactured by Us Army Aviation and Missile Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-990-9057?

NSN 5950-00-990-9057 has 6 cross-referenced part numbers: 50586 (Coiltron Inc Div Coiltron), 62987 (Topaz Inc Sub of Square D Co Powermark Div), A8125 (Square D Co Epe/topaz), 50586 (Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi), A8125 (Magnetic Devices Inc) and 1 more.

What NSN replaces 5950-00-990-9057?

There are 9 known substitutes for 5950-00-990-9057: 5996-00-058-1613, 6665-00-097-0388, 2520-00-378-1194 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10178371?

Key specifications for 10178371: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT; Body Height: 1.560 INCHES MAXIMUM IN; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. 24 total characteristics are documented in the Federal Logistics Information System.

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