PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C707819Transformer,power

Lockheed Martin Corporation Div Rms · NSN 5950-00-925-3653 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-925-3653 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-925-3653. Primary manufacturer part number: 77C707819.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Body Length: 4.312 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-925-3653, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-925-3653
Primary Part Number77C707819
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Length4.312 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage36.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current2.45 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width2.766 INCHES NOMINAL IN
Body Height6.080 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Terminal Type and Quantity12 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5960-00-060-6562 INTERCHANGEABLE
Electron Tube
5960-00-272-85488895487 INTERCHANGEABLE
Electron Tube
Us Army Aviation and Missile Command
5306-00-362-2085851009 INTERCHANGEABLE
Bolt,connecting Rod
Dana Off Highway Products, Llc
1620-00-489-28325844 INTERCHANGEABLE
Hookup,lock Assembl
Goodrich Aerospace Canada Ltd
5998-01-095-89630010258 INTERCHANGEABLE
Extender Card,electronic Test
Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific
2540-01-157-80225844 INTERCHANGEABLE
Arm,rearview Mirror
Chantilly Development Corporation Dba Acme Specialty Mfg Co Div Acme Specialty Mfg.
5998-01-192-86145844 INTERCHANGEABLE
Extender Card,electronic Test
Quarterwave Corp.
6515-01-240-2110263-5844 INTERCHANGEABLE
Manifold Assembly,inhalation the
Tri-Anim Health Services, Inc.
Cross-Reference Index
Part NumberManufacturer
77C707819 PRIMARY Lockheed Martin Corporation Div Rms (USA)
5844 Precision Electronics, Inc (USA)
9T35Y2315 General Electric Co Specialty Transformer Dept (USA)
Related Parts
5960-00-060-6562INTERCHANGEABLE
ELECTRON TUBE
5960-00-272-8548INTERCHANGEABLE
ELECTRON TUBE
8895487
5306-00-362-2085INTERCHANGEABLE
BOLT,CONNECTING ROD
851009
1620-00-489-2832INTERCHANGEABLE
HOOKUP,LOCK ASSEMBL
5844
5998-01-095-8963INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
0010258
2540-01-157-8022INTERCHANGEABLE
ARM,REARVIEW MIRROR
5844
5998-01-192-8614INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
5844
6515-01-240-2110INTERCHANGEABLE
MANIFOLD ASSEMBLY,INHALATION THE
263-5844

Frequently Asked Questions

What is NSN 5950-00-925-3653?

NSN 5950-00-925-3653 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 5950-00-925-3653?

NSN 5950-00-925-3653 has 3 cross-referenced part numbers: 77C707819 (Lockheed Martin Corporation Div Rms), 5844 (Precision Electronics, Inc), 9T35Y2315 (General Electric Co Specialty Transformer Dept).

What NSN replaces 5950-00-925-3653?

There are 8 known substitutes for 5950-00-925-3653: 5960-00-060-6562, 5960-00-272-8548, 5306-00-362-2085 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C707819?

Key specifications for 77C707819: Reliability Indicator: NOT ESTABLISHED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Body Length: 4.312 INCHES NOMINAL IN. 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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