PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3C386Transformer,power

Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc · NSN 5950-01-244-8270 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-244-8270 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-244-8270. Primary manufacturer part number: 3C386.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHEDNOT ESTABLISHED
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Winding Operating Current: 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Body Height: 2.250 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Winding Operating Voltage: 3.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-244-8270, 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 Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-244-8270
Primary Part Number3C386
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHEDNOT ESTABLISHED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Height2.250 INCHES NOMINAL IN
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage3.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity7 PIN
Frequency Rating4.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Body Width1.100 INCHES NOMINAL IN
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage12.70 AC VOLTS MINIMUM AND 28.20 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.000 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-198-196914116 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
2910-00-354-4955141-16 INTERCHANGEABLE
Valve
Cummins Power Generation Inc.
2520-00-425-711814116 INTERCHANGEABLE
Yoke
Eaton Corp Transmission Div
5315-00-597-143314-116 INTERCHANGEABLE
Pin,straight,headless
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
2530-00-734-3074 INTERCHANGEABLE
Wheel Asy
5306-01-282-215214116 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
5310-01-303-864814116 INTERCHANGEABLE
Washer,flat
Aerosonic Llc
6110-01-307-982514-116 INTERCHANGEABLE
Panel,protection,electrical Syst
L3 Technologies, Inc.
5430-01-310-10371 4116 INTERCHANGEABLE
Tank,liquid Storage
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
3C386 PRIMARY Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA)
B4040029 Department of the Army Hq United States Army Communications Research and Development Command (USA)
14116 Magnespec Inc (USA)
Related Parts
3110-00-198-1969INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
14116
2910-00-354-4955INTERCHANGEABLE
VALVE
141-16
2520-00-425-7118INTERCHANGEABLE
YOKE
14116
5315-00-597-1433INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
14-116
2530-00-734-3074INTERCHANGEABLE
WHEEL ASY
5306-01-282-2152INTERCHANGEABLE
BOLT,MACHINE
14116
5310-01-303-8648INTERCHANGEABLE
WASHER,FLAT
14116
6110-01-307-9825INTERCHANGEABLE
PANEL,PROTECTION,ELECTRICAL SYST
14-116
5430-01-310-1037INTERCHANGEABLE
TANK,LIQUID STORAGE
1 4116

Frequently Asked Questions

What is NSN 5950-01-244-8270?

NSN 5950-01-244-8270 is a Transformer,power, manufactured by Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-244-8270?

NSN 5950-01-244-8270 has 3 cross-referenced part numbers: 3C386 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc), B4040029 (Department of the Army Hq United States Army Communications Research and Development Command), 14116 (Magnespec Inc).

What NSN replaces 5950-01-244-8270?

There are 9 known substitutes for 5950-01-244-8270: 3110-00-198-1969, 2910-00-354-4955, 2520-00-425-7118 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3C386?

Key specifications for 3C386: Reliability Indicator: NOT ESTABLISHEDNOT ESTABLISHED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Winding Operating Current: 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Body Height: 2.250 INCHES NOMINAL IN. 18 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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