PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900086-55Transformer,audio Frequency

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-899-9380 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-899-9380 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-899-9380. Primary manufacturer part number: 900086-55.
Features
  • Transformer,audio Frequency — FSC 5950
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Hole Diameter: 0.144 INCHES NOMINAL SINGLE GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Length: 0.780 INCHES NOMINAL IN
  • Winding Operating Current: 2.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Body Outside Diameter: 1.156 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-899-9380, 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 Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5950-00-899-9380
Primary Part Number900086-55
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length0.780 INCHES NOMINAL IN
Winding Operating Current2.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter1.156 INCHES NOMINAL IN
Frequency Rating200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity1 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodCORE AND THREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-982-8613900095-0021 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1630-01-617-010690008655 INTERCHANGEABLE
Heat Shield,wheel,aircraft
Meggitt Aircraft Braking Systems Corporation
Cross-Reference Index
Part NumberManufacturer
900086-55 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
PA7428 United Transformer Corp Sub of Opt Industries Inc (USA)
T1025 Vdo Control Systems Inc (USA)
PA7428 Magnetika Inc (USA)
16A57 A.e.york, Llc (USA)
Related Parts
5950-00-982-8613INTERCHANGEABLE
REACTOR
900095-0021
1630-01-617-0106INTERCHANGEABLE
HEAT SHIELD,WHEEL,AIRCRAFT
90008655

Frequently Asked Questions

What is NSN 5950-00-899-9380?

NSN 5950-00-899-9380 is a Transformer,audio Frequency, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-899-9380?

NSN 5950-00-899-9380 has 5 cross-referenced part numbers: 900086-55 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), PA7428 (United Transformer Corp Sub of Opt Industries Inc), T1025 (Vdo Control Systems Inc), PA7428 (Magnetika Inc), 16A57 (A.e.york, Llc).

What NSN replaces 5950-00-899-9380?

There are 2 known substitutes for 5950-00-899-9380: 5950-00-982-8613, 1630-01-617-0106. Verify interchangeability with system specifications before substitution.

What are the specifications of 900086-55?

Key specifications for 900086-55: Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT; Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Mounting Hole Diameter: 0.144 INCHES NOMINAL SINGLE GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 14 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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