PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23557Transformer,power

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5950-00-647-8181 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-8181 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-8181. Primary manufacturer part number: 23557.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 6 STANDOFF INSULATOR
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 740.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-647-8181, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-647-8181
Primary Part Number23557
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Terminal Type and Quantity6 STANDOFF INSULATOR
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage740.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length3.250 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width2.750 INCHES NOMINAL IN
Body Height4.500 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-3858DPM18-2 INTERCHANGEABLE
Diaphragm,valve,flat
Johnson Controls Inc Control Products Div
3120-00-231-690723557 INTERCHANGEABLE
Roller,linear-Rotary Motion
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
4820-00-499-960523557 INTERCHANGEABLE
Poppet,shuttle
B E Aerospace Inc Services Div
5910-01-216-1852 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
6610-01-296-088010450-31875 INTERCHANGEABLE
Altimeter,pressure
Aerosonic Llc
4810-01-497-5338 INTERCHANGEABLE
Valve,linear,directional Control
4810-01-497-5343 INTERCHANGEABLE
Valve,solenoid
4810-01-497-5785 INTERCHANGEABLE
Stem,fluid Valve
4810-01-497-5791 INTERCHANGEABLE
Slide,directional Control Linear
4810-01-497-5798 INTERCHANGEABLE
Piston,valve
Cross-Reference Index
Part NumberManufacturer
23557 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
4820-00-036-3858INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
DPM18-2
3120-00-231-6907INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
23557
4820-00-499-9605INTERCHANGEABLE
POPPET,SHUTTLE
23557
5910-01-216-1852INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
6610-01-296-0880INTERCHANGEABLE
ALTIMETER,PRESSURE
10450-31875
4810-01-497-5338INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4810-01-497-5343INTERCHANGEABLE
VALVE,SOLENOID
4810-01-497-5785INTERCHANGEABLE
STEM,FLUID VALVE
4810-01-497-5791INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
4810-01-497-5798INTERCHANGEABLE
PISTON,VALVE
5365-01-498-2637INTERCHANGEABLE
PLUG,MACHINE THREAD
5365-01-498-2716INTERCHANGEABLE
PLUG,MACHINE THREAD

Frequently Asked Questions

What is NSN 5950-00-647-8181?

NSN 5950-00-647-8181 is a Transformer,power, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-8181?

NSN 5950-00-647-8181 has 1 cross-referenced part number: 23557 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5950-00-647-8181?

There are 12 known substitutes for 5950-00-647-8181: 4820-00-036-3858, 3120-00-231-6907, 4820-00-499-9605 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23557?

Key specifications for 23557: Reliability Indicator: NOT ESTABLISHED; Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Overall Height: 5.375 INCHES NOMINAL IN; Terminal Type and Quantity: 6 STANDOFF INSULATOR. 20 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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