PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C706687P1Transformer,power

Lockheed Martin Corporation Div Rms · NSN 5950-00-925-7191 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-925-7191 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-925-7191. Primary manufacturer part number: 77C706687P1.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Thread Series Designator: UNF SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-925-7191, 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 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-925-7191
Primary Part Number77C706687P1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNF SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage23.40 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length3.940 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current2.45 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Width3.380 INCHES NOMINAL IN
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Body Height5.250 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2915-00-775-782949155 INTERCHANGEABLE
Support,gearshaft,fuel Pump
Triumph Engine Control Systems Llc
6675-00-880-1820 INTERCHANGEABLE
Level,surveying
Cross-Reference Index
Part NumberManufacturer
9T35Y2095 General Electric Co Specialty Transformer Dept (USA)
43404 Freed Transformer Co (USA)
77C706687P1 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
2915-00-775-7829INTERCHANGEABLE
SUPPORT,GEARSHAFT,FUEL PUMP
49155
6675-00-880-1820INTERCHANGEABLE
LEVEL,SURVEYING

Frequently Asked Questions

What is NSN 5950-00-925-7191?

NSN 5950-00-925-7191 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 5950-00-925-7191?

NSN 5950-00-925-7191 has 3 cross-referenced part numbers: 9T35Y2095 (General Electric Co Specialty Transformer Dept), 43404 (Freed Transformer Co), 77C706687P1 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5950-00-925-7191?

There are 2 known substitutes for 5950-00-925-7191: 2915-00-775-7829, 6675-00-880-1820. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C706687P1?

Key specifications for 77C706687P1: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Thread Quantity Per Inch: 32 SINGLE GROUP; Inclosure Type: FULLY INCLOSED. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com