PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2255-0Transformer,audio Frequency

Excel Transformer Co · NSN 5950-00-646-3077 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-3077 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-3077. Primary manufacturer part number: 2255-0.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 1000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Primary to Secondary Turn Ratio: 2.23 TO 1 TO 1 SINGLE COMPONENT
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Body Height: 2.219 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-646-3077, 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 Excel Transformer Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-646-3077
Primary Part Number2255-0
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerExcel Transformer Co
StatusCANCELLED
Impedance Rating in Ohms1000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio2.23 TO 1 TO 1 SINGLE COMPONENT
Terminal Type and Quantity6 TAB, SOLDER LUG
Body Height2.219 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width1.797 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Transformer FunctionINTERSTAGE
Mounting Facility Quantity4 SINGLE GROUP
Maximum Transformer Power Rating3.0 WATTS SINGLE COMPONENT
Body Length1.906 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Frequency Rating300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-083-893530500225-1 INTERCHANGEABLE
Extender Card,electronic Test
Ward Leonard Ct Llc
5365-00-103-560310170 INTERCHANGEABLE
Shim
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5305-00-137-755310170 INTERCHANGEABLE
Screw,machine
Lexmark International, Inc. Dba Lexmark
5999-00-145-5466 INTERCHANGEABLE
Mounting Pad,electrical-Electron
7025-00-160-14278857500001-1 INTERCHANGEABLE
Multiplexer,digital
Microwave Consulting Corporation Dba Mcc Norsal
3455-00-194-051810170 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5133-00-232-2911 INTERCHANGEABLE
Drill,twist
5315-00-263-51977064 INTERCHANGEABLE
Key,machine
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
4820-00-600-19218-2944-1 INTERCHANGEABLE
Valve,shuttle
Parker Hannifin Corporation Div Aerospace Group Headquarters
6150-00-610-2049225-50 INTERCHANGEABLE
Cable Assembly,power,electrical
Cooper Wiring Devices Inc.
Cross-Reference Index
Part NumberManufacturer
2255-0 Excel Transformer Co (USA)
10170 Emerson Electric Co White-Rodgers Div (USA)
10170 Cts Corp Electromechanical Div (USA)
10170 Cts Corp (USA)
2Z9636-78 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5998-00-083-8935INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
30500225-1
5365-00-103-5603INTERCHANGEABLE
SHIM
10170
5305-00-137-7553INTERCHANGEABLE
SCREW,MACHINE
10170
5999-00-145-5466INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
7025-00-160-1427INTERCHANGEABLE
MULTIPLEXER,DIGITAL
8857500001-1
3455-00-194-0518INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10170
5133-00-232-2911INTERCHANGEABLE
DRILL,TWIST
5315-00-263-5197INTERCHANGEABLE
KEY,MACHINE
7064
4820-00-600-1921INTERCHANGEABLE
VALVE,SHUTTLE
8-2944-1
6150-00-610-2049INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
225-50
5940-00-683-4679INTERCHANGEABLE
TERMINAL BOARD
9540-00-720-1782INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 5950-00-646-3077?

NSN 5950-00-646-3077 is a Transformer,audio Frequency, manufactured by Excel Transformer Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-646-3077?

NSN 5950-00-646-3077 has 5 cross-referenced part numbers: 2255-0 (Excel Transformer Co), 10170 (Emerson Electric Co White-Rodgers Div), 10170 (Cts Corp Electromechanical Div), 10170 (Cts Corp), 2Z9636-78 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5950-00-646-3077?

There are 12 known substitutes for 5950-00-646-3077: 5998-00-083-8935, 5365-00-103-5603, 5305-00-137-7553 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2255-0?

Key specifications for 2255-0: Impedance Rating in Ohms: 1000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Primary to Secondary Turn Ratio: 2.23 TO 1 TO 1 SINGLE COMPONENT; Terminal Type and Quantity: 6 TAB, SOLDER LUG. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-646-3077 still in active supply?

NSN 5950-00-646-3077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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