PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1858366-1Transformer,power

Honeywell Intl Inc Defense Avionics Systems · NSN 5950-00-901-7851 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-901-7851 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-901-7851. Primary manufacturer part number: 1858366-1.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 18 WIRE LEAD
  • Mounting Hole Diameter: 0.132 INCHES NOMINAL SINGLE GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 1.875 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE 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 5950-00-901-7851, 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 Intl Inc Defense Avionics Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-901-7851
Primary Part Number1858366-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems
StatusACTIVE
Terminal Type and Quantity18 WIRE LEAD
Mounting Hole Diameter0.132 INCHES NOMINAL SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Width1.875 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.250 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Winding Function and Quantity2 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Features ProvidedCOLOR CODED TERMINAL
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-097-9972VSH6201A INTERCHANGEABLE
Regulator,engine Generator
Prestolite Electric Inc
4510-00-104-6460SG-1216 INTERCHANGEABLE
Shower Bath Fixture
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
6145-00-578-7520M5086/1-22-9 INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
5120-00-683-859700946661000 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5962-01-175-440941381 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5950-01-263-0351K-725-2 INTERCHANGEABLE
Coil,electrical
Payne Magnetics, Inc.
Cross-Reference Index
Part NumberManufacturer
41381 Coast/advanced Chip Magnetics, Inc. (USA)
K7252 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
2846A1 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
TP1838 Hytronics Corp. (USA)
PEI 7259 Precision Electronics, Inc (USA)
1858366-1 PRIMARY Honeywell Intl Inc Defense Avionics Systems (USA)
1858366-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
2920-00-097-9972INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
VSH6201A
4510-00-104-6460INTERCHANGEABLE
SHOWER BATH FIXTURE
SG-1216
6145-00-578-7520INTERCHANGEABLE
WIRE,ELECTRICAL
M5086/1-22-9
5120-00-683-8597INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
00946661000
5962-01-175-4409INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41381
5950-01-263-0351INTERCHANGEABLE
COIL,ELECTRICAL
K-725-2

Frequently Asked Questions

What is NSN 5950-00-901-7851?

NSN 5950-00-901-7851 is a Transformer,power, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-901-7851?

NSN 5950-00-901-7851 has 7 cross-referenced part numbers: 41381 (Coast/advanced Chip Magnetics, Inc.), K7252 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 2846A1 (Electronic Transformer Corp Div Electronic Transformer Corporation), TP1838 (Hytronics Corp.), PEI 7259 (Precision Electronics, Inc) and 2 more.

What NSN replaces 5950-00-901-7851?

There are 6 known substitutes for 5950-00-901-7851: 2920-00-097-9972, 4510-00-104-6460, 6145-00-578-7520 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1858366-1?

Key specifications for 1858366-1: Terminal Type and Quantity: 18 WIRE LEAD; Special Features: 2 PRIMARY WINDINGS; 5 SECONDARY WINDINGS; Mounting Hole Diameter: 0.132 INCHES NOMINAL SINGLE GROUP IN; Inclosure Type: FULLY INCLOSED. 13 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