PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21308Transformer,power

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5950-01-015-8856 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-015-8856 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-015-8856. Primary manufacturer part number: 21308.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 5 PIN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Body Width: 2.500 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-015-8856, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-015-8856
Primary Part Number21308
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity5 PIN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Body Width2.500 INCHES MAXIMUM IN
Body Length3.120 INCHES NOMINAL IN
Winding Operating Voltage44.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Winding Operating Current1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.870 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.620 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-243-4815 INTERCHANGEABLE
Valve,y
5999-00-422-849121-308 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
9540-00-585-7202 INTERCHANGEABLE
Angle,structural
6145-00-643-2107 INTERCHANGEABLE
Cable,radio Frequency
2910-00-930-16577016001 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
3120-01-272-327521308 INTERCHANGEABLE
Bearing,sleeve
Parker Hannifin Corp Dba Pneutronics
4810-01-430-415521308-1004-1 INTERCHANGEABLE
Sleeve,drive,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-430-416121308-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-469-266821308-001 INTERCHANGEABLE
Valve,dir Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
1005-01-503-002021308 INTERCHANGEABLE
Sling
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21308 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
4820-00-243-4815INTERCHANGEABLE
VALVE,Y
5999-00-422-8491INTERCHANGEABLE
CONTACT,ELECTRICAL
21-308
9540-00-585-7202INTERCHANGEABLE
ANGLE,STRUCTURAL
6145-00-643-2107INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2910-00-930-1657INTERCHANGEABLE
CARBURETOR,FLOAT
7016001
3120-01-272-3275INTERCHANGEABLE
BEARING,SLEEVE
21308
4810-01-430-4155INTERCHANGEABLE
SLEEVE,DRIVE,VALVE
21308-1004-1
4810-01-430-4161INTERCHANGEABLE
PISTON,VALVE
21308-1003-1
4820-01-469-2668INTERCHANGEABLE
VALVE,DIR CONTROL
21308-001
1005-01-503-0020INTERCHANGEABLE
SLING
21308
4930-01-528-9562INTERCHANGEABLE
CONTROL,DAMPER
21308

Frequently Asked Questions

What is NSN 5950-01-015-8856?

NSN 5950-01-015-8856 is a Transformer,power, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-015-8856?

NSN 5950-01-015-8856 has 1 cross-referenced part number: 21308 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5950-01-015-8856?

There are 11 known substitutes for 5950-01-015-8856: 4820-00-243-4815, 5999-00-422-8491, 9540-00-585-7202 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21308?

Key specifications for 21308: Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Frequency Rating: 57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 5 PIN. 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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