PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD766Transformer,power

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-878-8490 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-878-8490 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-878-8490. Primary manufacturer part number: AD766.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 6.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 4 SOLDER STUD
  • Body Height: 7.850 INCHES NOMINAL IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Nominal Thread Size: 0.250 INCHES SINGLE GROUP IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-878-8490, 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 - Mitchel Field. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN5950-00-878-8490
Primary Part NumberAD766
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Winding Operating Current6.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 SOLDER STUD
Body Height7.850 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length6.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch20 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width5.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-024-12152102 INTERCHANGEABLE
Coil,radio Frequency
Caddell Burns Manufacturing Co Inc
2910-00-085-2078FPHM903249 INTERCHANGEABLE
Pump,fuel,cam Actuated
Navistar Intl Corp Truck Br Ohio Plant
5325-00-281-1557150-1 INTERCHANGEABLE
Grommet,nonmetallic
Dresser Industries Inc Leroi Div
4820-00-605-072393413 INTERCHANGEABLE
Valve,angle
Aeroil Products Co Inc
2030-01-018-790640015 INTERCHANGEABLE
Ball Nut Tool,speci
The Entwistle Company Llc
3805-01-149-4556 INTERCHANGEABLE
Link
3020-01-181-381940015 INTERCHANGEABLE
Gear Cluster
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
2990-01-257-883240015 INTERCHANGEABLE
Pipe,exhaust
C-Way Industries Inc
8415-01-352-65547005L INTERCHANGEABLE
Gloves,disposable
Tillotson Corporation Dba Best Manufacturing Division
1095-01-366-23854001-5 INTERCHANGEABLE
Holster,revolver
Bianchi International Dba Bae Systems Products Group
Cross-Reference Index
Part NumberManufacturer
1035987 Magnetika Inc (USA)
AD766 Spellman High-Voltage Electronics Corporation Dba Spellman High-Voltage Electronics Corp (USA)
1035987 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
AD766 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
40015 A M I/ Coast Magnetics Inc. Dba Coast Magnetics (USA)
1035987 United Transformer Corp Sub of Opt Industries Inc (USA)
Related Parts
5950-00-024-1215INTERCHANGEABLE
COIL,RADIO FREQUENCY
2102
2910-00-085-2078INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
FPHM903249
5325-00-281-1557INTERCHANGEABLE
GROMMET,NONMETALLIC
150-1
4820-00-605-0723INTERCHANGEABLE
VALVE,ANGLE
93413
2030-01-018-7906INTERCHANGEABLE
BALL NUT TOOL,SPECI
40015
3805-01-149-4556INTERCHANGEABLE
LINK
3020-01-181-3819INTERCHANGEABLE
GEAR CLUSTER
40015
2990-01-257-8832INTERCHANGEABLE
PIPE,EXHAUST
40015
8415-01-352-6554INTERCHANGEABLE
GLOVES,DISPOSABLE
7005L
1095-01-366-2385INTERCHANGEABLE
HOLSTER,REVOLVER
4001-5
2530-01-389-6638INTERCHANGEABLE
SENSOR,ANTI-LOCK BRAKE,VEHICULAR
3040-01-396-1530INTERCHANGEABLE
PAWL
40014-2

Frequently Asked Questions

What is NSN 5950-00-878-8490?

NSN 5950-00-878-8490 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-878-8490?

NSN 5950-00-878-8490 has 6 cross-referenced part numbers: 1035987 (Magnetika Inc), AD766 (Spellman High-Voltage Electronics Corporation Dba Spellman High-Voltage Electronics Corp), 1035987 (Lockheed Martin Corporation Div Rms - Mitchel Field), AD766 (Lockheed Martin Corporation Div Rms - Mitchel Field), 40015 (A M I/ Coast Magnetics Inc. Dba Coast Magnetics) and 1 more.

What NSN replaces 5950-00-878-8490?

There are 12 known substitutes for 5950-00-878-8490: 5950-00-024-1215, 2910-00-085-2078, 5325-00-281-1557 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD766?

Key specifications for AD766: Winding Operating Current: 6.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Terminal Type and Quantity: 4 SOLDER STUD; Body Height: 7.850 INCHES NOMINAL IN; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT. 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