PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550381Transformer,power

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 5950-00-645-3385 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-3385 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-3385. Primary manufacturer part number: 550381.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Thread Series Designator: UNF SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 4 PRIMARY AND 6 SECONDARY 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 5950-00-645-3385, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-3385
Primary Part Number550381
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity4 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width4.250 INCHES NOMINAL IN
Terminal Type and Quantity28 STANDOFF, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length4.562 INCHES NOMINAL IN
Body Height5.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-112-8869 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
550381 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
550381 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
Related Parts
5950-00-112-8869INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5950-00-645-3385?

NSN 5950-00-645-3385 is a Transformer,power, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-3385?

NSN 5950-00-645-3385 has 2 cross-referenced part numbers: 550381 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 550381 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div).

What NSN replaces 5950-00-645-3385?

There is 1 known substitute for 5950-00-645-3385: 5950-00-112-8869. Verify interchangeability with system specifications before substitution.

What are the specifications of 550381?

Key specifications for 550381: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Inclosure Type: HERMETICALLY SEALED; Thread Quantity Per Inch: 32 SINGLE GROUP. 16 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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