PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139C386H01Transformer,current

Northrop Grumman Support Services Corp · NSN 5950-00-599-7701 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-599-7701 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-599-7701. Primary manufacturer part number: 139C386H01.
Features
  • Transformer,current — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Body Length: 0.940 INCHES NOMINAL IN
  • Body Outside Diameter: 0.860 INCHES NOMINAL IN
  • Winding Operating Current: 28.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-00-599-7701, 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 Northrop Grumman Support Services Corp. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-599-7701
Primary Part Number139C386H01
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity1 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Length0.940 INCHES NOMINAL IN
Body Outside Diameter0.860 INCHES NOMINAL IN
Winding Operating Current28.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch40 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Installation for Which DesignedINDOOR NONPORTABLE
Terminal Type and Quantity5 TURRET
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-362-83761C8316 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
5360-00-614-81601196907 INTERCHANGEABLE
Spring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-177-074141487 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5330-01-297-514341487 INTERCHANGEABLE
Seal Ring,metal
Williams International Co., L.l.c.
2910-01-311-8456M70293 INTERCHANGEABLE
Pump,fuel,electrical
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
139C386H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
139C386H01 PRIMARY Northrop Grumman Support Services Corp (USA)
41487 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
5330-00-362-8376INTERCHANGEABLE
GASKET
1C8316
5360-00-614-8160INTERCHANGEABLE
SPRING
1196907
5962-01-177-0741INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41487
5330-01-297-5143INTERCHANGEABLE
SEAL RING,METAL
41487
2910-01-311-8456INTERCHANGEABLE
PUMP,FUEL,ELECTRICAL
M70293

Frequently Asked Questions

What is NSN 5950-00-599-7701?

NSN 5950-00-599-7701 is a Transformer,current, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-599-7701?

NSN 5950-00-599-7701 has 3 cross-referenced part numbers: 139C386H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 139C386H01 (Northrop Grumman Support Services Corp), 41487 (Coast/advanced Chip Magnetics, Inc.).

What NSN replaces 5950-00-599-7701?

There are 5 known substitutes for 5950-00-599-7701: 5330-00-362-8376, 5360-00-614-8160, 5962-01-177-0741 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139C386H01?

Key specifications for 139C386H01: Reliability Indicator: NOT ESTABLISHED; Overall Length: 1.320 INCHES NOMINAL IN; Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Mounting Facility Quantity: 1 SINGLE GROUP. 17 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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