PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28873Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-624-1407 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-624-1407 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-624-1407. Primary manufacturer part number: 28873.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Transformer Power Rating: 6.0 DECIBELS SINGLE COMPONENT
  • Distance Between Mounting Facility Centers: 1.171 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Primary to Secondary Turn Ratio: 1 TO 3-3/4 SINGLE COMPONENT
  • Mounting Slot Width: 0.120 INCHES NOMINAL SINGLE GROUP IN
  • Impedance Rating in Ohms: 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-624-1407, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-624-1407
Primary Part Number28873
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Maximum Transformer Power Rating6.0 DECIBELS SINGLE COMPONENT
Distance Between Mounting Facility Centers1.171 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Frequency Rating50.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 3-3/4 SINGLE COMPONENT
Mounting Slot Width0.120 INCHES NOMINAL SINGLE GROUP IN
Impedance Rating in Ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Outside Diameter0.938 INCHES NOMINAL IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Body Length1.437 INCHES NOMINAL IN
Terminal Type and Quantity4 TAB, SOLDER LUG
Impedance Rating in Ohms60000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-023-4279 INTERCHANGEABLE
File,rotary
2530-00-679-73311243659 INTERCHANGEABLE
Seal Kit,wheel Bear
Chrysler Realty Company Llc Dba Daimler Chrysler
5950-01-212-5654 INTERCHANGEABLE
Transformer,power
6110-01-353-6674 INTERCHANGEABLE
Contactor,magnetic
Cross-Reference Index
Part NumberManufacturer
28873 PRIMARY Freed Transformer Co (USA)
Related Parts
3455-00-023-4279INTERCHANGEABLE
FILE,ROTARY
2530-00-679-7331INTERCHANGEABLE
SEAL KIT,WHEEL BEAR
1243659
5950-01-212-5654INTERCHANGEABLE
TRANSFORMER,POWER
6110-01-353-6674INTERCHANGEABLE
CONTACTOR,MAGNETIC

Frequently Asked Questions

What is NSN 5950-00-624-1407?

NSN 5950-00-624-1407 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-624-1407?

NSN 5950-00-624-1407 has 1 cross-referenced part number: 28873 (Freed Transformer Co).

What NSN replaces 5950-00-624-1407?

There are 4 known substitutes for 5950-00-624-1407: 3455-00-023-4279, 2530-00-679-7331, 5950-01-212-5654 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28873?

Key specifications for 28873: Maximum Transformer Power Rating: 6.0 DECIBELS SINGLE COMPONENT; Distance Between Mounting Facility Centers: 1.171 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: HERMETICALLY SEALED; Frequency Rating: 50.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 15 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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