PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST5M1236-001Transformer,power Autotransforme

The Boeing Company Div Defense · NSN 5950-00-302-3986 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-302-3986 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-302-3986. Primary manufacturer part number: ST5M1236-001.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 2.880 INCHES MAXIMUM IN
  • Body Width: 2.130 INCHES MAXIMUM IN
  • Body Height: 2.370 INCHES MAXIMUM IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-302-3986, 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 The Boeing Company Div Defense. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-302-3986
Primary Part NumberST5M1236-001
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.880 INCHES MAXIMUM IN
Body Width2.130 INCHES MAXIMUM IN
Body Height2.370 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeFULLY INCLOSED
Winding Operating Current5.8 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity3 THREADED STUD
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Center to Center Distance Between Mounting Facilities Parallel to Width1.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4030-00-125-275110140 INTERCHANGEABLE
Socket,wire Rope
Garwood/feller Inc Garwood Winch Div
6520-00-257-303612658 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
4820-00-287-37663-9-3E INTERCHANGEABLE
Valve,gate
Gas Equipment Engineering Corporation, the Dba Geeco
3040-00-807-8347 INTERCHANGEABLE
Pawl
5330-00-909-18933681P028 INTERCHANGEABLE
Gasket
Perkins Engines Inc
5950-00-998-4258546737 INTERCHANGEABLE
Transformer,power
Cae Usa Inc.
3030-01-111-77708084-0097X1 INTERCHANGEABLE
Belt,v
Gates Corporation
4510-01-266-976512-658 INTERCHANGEABLE
Lavatory
Gerber Plumbing Fixtures Llc
8465-01-589-163841034 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
U1-24213 Magnespec Inc (USA)
12658 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
41034 Coast/advanced Chip Magnetics, Inc. (USA)
U1-24213 Mte Corp Milwaukee Transformer Co (USA)
ST5M1236-001 PRIMARY The Boeing Company Div Defense (USA)
10132710 Nimikkeistokeskus Ncb Finland (FIN)
PEI 8269 Precision Electronics, Inc (USA)
Related Parts
4030-00-125-2751INTERCHANGEABLE
SOCKET,WIRE ROPE
10140
6520-00-257-3036INTERCHANGEABLE
POINT,ENDODONTIC
12658
4820-00-287-3766INTERCHANGEABLE
VALVE,GATE
3-9-3E
3040-00-807-8347INTERCHANGEABLE
PAWL
5330-00-909-1893INTERCHANGEABLE
GASKET
3681P028
5950-00-998-4258INTERCHANGEABLE
TRANSFORMER,POWER
546737
3030-01-111-7770INTERCHANGEABLE
BELT,V
8084-0097X1
4510-01-266-9765INTERCHANGEABLE
LAVATORY
12-658
8465-01-589-1638INTERCHANGEABLE
HYDRATION SYSTEM
41034

Frequently Asked Questions

What is NSN 5950-00-302-3986?

NSN 5950-00-302-3986 is a Transformer,power Autotransforme, manufactured by The Boeing Company Div Defense, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-302-3986?

NSN 5950-00-302-3986 has 7 cross-referenced part numbers: U1-24213 (Magnespec Inc), 12658 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), 41034 (Coast/advanced Chip Magnetics, Inc.), U1-24213 (Mte Corp Milwaukee Transformer Co), ST5M1236-001 (The Boeing Company Div Defense) and 2 more.

What NSN replaces 5950-00-302-3986?

There are 9 known substitutes for 5950-00-302-3986: 4030-00-125-2751, 6520-00-257-3036, 4820-00-287-3766 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST5M1236-001?

Key specifications for ST5M1236-001: Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Length: 2.880 INCHES MAXIMUM IN. 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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