PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32741Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-682-3818 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-682-3818 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-682-3818. Primary manufacturer part number: 32741.
Features
  • Transformer,audio Frequency — FSC 5950
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Outside Diameter: 0.979 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Terminal Type and Quantity: 4 PIN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-682-3818, 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 Freed Transformer Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5950-00-682-3818
Primary Part Number32741
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusCANCELLED
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Body Outside Diameter0.979 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity4 PIN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Maximum Transformer Power Rating17.0 DECIBELS SINGLE COMPONENT
Body Length1.402 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-126-605229257 INTERCHANGEABLE
Bushing,sleeve
Mid-America Aerotech, Llc
5940-00-177-267029257 INTERCHANGEABLE
Adapter,battery Terminal
Te Connectivity Corporation
1650-00-305-235729275 INTERCHANGEABLE
Poppet,hydraulic Manifold
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3455-00-442-3460 INTERCHANGEABLE
File,rotary
5330-00-472-818929275 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
9540-00-528-9346E711310XRAND INTERCHANGEABLE
Beam,structural
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5133-00-596-7947 INTERCHANGEABLE
Drill,twist
4820-00-980-4030A3274194 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
6685-01-187-7269161971 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4730-01-192-247032741 INTERCHANGEABLE
Clamp,hose
Fb Wright Co
Cross-Reference Index
Part NumberManufacturer
29257 Emerson Electric Co White-Rodgers Div (USA)
32741 PRIMARY Freed Transformer Co (USA)
677-1378-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
29275 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
3120-00-126-6052INTERCHANGEABLE
BUSHING,SLEEVE
29257
5940-00-177-2670INTERCHANGEABLE
ADAPTER,BATTERY TERMINAL
29257
1650-00-305-2357INTERCHANGEABLE
POPPET,HYDRAULIC MANIFOLD
29275
3455-00-442-3460INTERCHANGEABLE
FILE,ROTARY
5330-00-472-8189INTERCHANGEABLE
SEAL,PLAIN ENCASED
29275
9540-00-528-9346INTERCHANGEABLE
BEAM,STRUCTURAL
E711310XRAND
5133-00-596-7947INTERCHANGEABLE
DRILL,TWIST
4820-00-980-4030INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
A3274194
6685-01-187-7269INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
161971
4730-01-192-2470INTERCHANGEABLE
CLAMP,HOSE
32741
6145-01-200-4659INTERCHANGEABLE
CABLE
292-57
5985-01-214-7077INTERCHANGEABLE
ATTENUATOR,FIXED
1065585-14

Frequently Asked Questions

What is NSN 5950-00-682-3818?

NSN 5950-00-682-3818 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-682-3818?

NSN 5950-00-682-3818 has 4 cross-referenced part numbers: 29257 (Emerson Electric Co White-Rodgers Div), 32741 (Freed Transformer Co), 677-1378-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 29275 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-682-3818?

There are 12 known substitutes for 5950-00-682-3818: 3120-00-126-6052, 5940-00-177-2670, 1650-00-305-2357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 32741?

Key specifications for 32741: Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Frequency Rating: 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP; Body Outside Diameter: 0.979 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-682-3818 still in active supply?

NSN 5950-00-682-3818 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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