PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C716508P001Transformer,power

Lockheed Martin Corporation Div Rms · NSN 5950-01-158-9875 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-158-9875 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-158-9875. Primary manufacturer part number: 77C716508P001.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 13.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Shielding Method: CORE GROUNDED SINGLE COMPONENT
  • Winding Operating Voltage: 30.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 16.1 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Terminal Type and Quantity: 12 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-158-9875, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-158-9875
Primary Part Number77C716508P001
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Winding Operating Voltage13.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Shielding MethodCORE GROUNDED SINGLE COMPONENT
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current16.1 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity12 TAB, SOLDER LUG
Transformer Winding Connection TypeDELTA-WYE
Mounting Hole Diameter0.328 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length6.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current19.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width4.200 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage20.40 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current9.8 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Maximum Operating Temp54.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2940-00-075-172742009 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
3040-00-349-440942009 INTERCHANGEABLE
Shaft,valve Rocker
Trw Inc Trw Intl Trade Government Sales Dept
8030-00-558-6383 INTERCHANGEABLE
Antiseize Compound
5310-00-596-17211111455 INTERCHANGEABLE
Washer,finishing
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-613-6781 INTERCHANGEABLE
Heater,thermal Release
5930-00-831-52311989208-22 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
3040-01-296-700742009 INTERCHANGEABLE
Connecting Link,rigid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4610-01-436-88214-2009 INTERCHANGEABLE
Level,bubble
Geier & Bluhm, Inc.
Cross-Reference Index
Part NumberManufacturer
42009 Coast/advanced Chip Magnetics, Inc. (USA)
GE-3P115 Espey Mfg. & Electronics Corp. (USA)
77C716508P001 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
2940-00-075-1727INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42009
3040-00-349-4409INTERCHANGEABLE
SHAFT,VALVE ROCKER
42009
8030-00-558-6383INTERCHANGEABLE
ANTISEIZE COMPOUND
5310-00-596-1721INTERCHANGEABLE
WASHER,FINISHING
1111455
5999-00-613-6781INTERCHANGEABLE
HEATER,THERMAL RELEASE
5930-00-831-5231INTERCHANGEABLE
SWITCH,ROTARY
1989208-22
3040-01-296-7007INTERCHANGEABLE
CONNECTING LINK,RIGID
42009
4610-01-436-8821INTERCHANGEABLE
LEVEL,BUBBLE
4-2009

Frequently Asked Questions

What is NSN 5950-01-158-9875?

NSN 5950-01-158-9875 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-158-9875?

NSN 5950-01-158-9875 has 3 cross-referenced part numbers: 42009 (Coast/advanced Chip Magnetics, Inc.), GE-3P115 (Espey Mfg. & Electronics Corp.), 77C716508P001 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5950-01-158-9875?

There are 8 known substitutes for 5950-01-158-9875: 2940-00-075-1727, 3040-00-349-4409, 8030-00-558-6383 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C716508P001?

Key specifications for 77C716508P001: Winding Operating Voltage: 13.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Winding Shielding Method: CORE GROUNDED SINGLE COMPONENT; Winding Operating Voltage: 30.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Overall Width: 5.690 INCHES MAXIMUM IN. 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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