PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

537187Transformer,power

Honeywell International, Inc Div Aerospace-Tucson · NSN 5950-00-019-2371 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-019-2371 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-019-2371. Primary manufacturer part number: 537187.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Voltage: 27.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 9.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Distance Between Mounting Facility Centers: 0.890 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-019-2371, 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 Div Aerospace-Tucson. Government technical data includes 21 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
NSN5950-00-019-2371
Primary Part Number537187
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage27.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage9.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeHERMETICALLY SEALED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Distance Between Mounting Facility Centers0.890 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Width1.310 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity7 WIRE HOOK
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Height1.750 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Current4.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Length1.310 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5865-00-698-0350504-8564-003 INTERCHANGEABLE
Cam Shaft Assy
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4820-01-105-4070 INTERCHANGEABLE
Seat,valve
6625-01-172-3962443-108-1 INTERCHANGEABLE
Bridge,diode
B.c. Systems Inc. Dba Bc Systems Inc
6240-01-344-507850PAR30/CAP/NSP/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
2020-01-725-569014526-1 INTERCHANGEABLE
Stay,mast,marine
Gatr Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
537187 Honeywell International Inc. Div Aerospace - Torrance (USA)
14526 Robert M. Hadley Company, Inc. (USA)
537187 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5865-00-698-0350INTERCHANGEABLE
CAM SHAFT ASSY
504-8564-003
4820-01-105-4070INTERCHANGEABLE
SEAT,VALVE
6625-01-172-3962INTERCHANGEABLE
BRIDGE,DIODE
443-108-1
6240-01-344-5078INTERCHANGEABLE
LAMP,INCANDESCENT
50PAR30/CAP/NSP/120V
2020-01-725-5690INTERCHANGEABLE
STAY,MAST,MARINE
14526-1

Frequently Asked Questions

What is NSN 5950-00-019-2371?

NSN 5950-00-019-2371 is a Transformer,power, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-019-2371?

NSN 5950-00-019-2371 has 3 cross-referenced part numbers: 537187 (Honeywell International Inc. Div Aerospace - Torrance), 14526 (Robert M. Hadley Company, Inc.), 537187 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 5950-00-019-2371?

There are 5 known substitutes for 5950-00-019-2371: 5865-00-698-0350, 4820-01-105-4070, 6625-01-172-3962 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 537187?

Key specifications for 537187: Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT; Winding Operating Voltage: 27.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Winding Operating Voltage: 9.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Inclosure Type: HERMETICALLY SEALED. 21 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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