PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37902Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-852-2395 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-852-2395 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-852-2395. Primary manufacturer part number: 37902.
Features
  • Transformer,audio Frequency — FSC 5950
  • Frequency Rating: 5.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Mounting Hole Diameter: 0.144 INCHES NOMINAL SINGLE GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 0.547 INCHES MAXIMUM IN
  • Transformer Function: INPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-852-2395, 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 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-852-2395
Primary Part Number37902
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Frequency Rating5.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity1 SINGLE GROUP
Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length0.547 INCHES MAXIMUM IN
Transformer FunctionINPUT
Inclosure TypeFULLY INCLOSED
Primary to Secondary Turn Ratio1 TO 4-1/2 SINGLE COMPONENT
Body Outside Diameter1.141 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 TAB, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-208-099527935 INTERCHANGEABLE
Screw,cap,socket Head
Triumph Engine Control Systems Llc
5950-00-243-827510670381 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
5331-00-248-383100511 INTERCHANGEABLE
O-Ring
Griswold Industries Dba Cla-Val Co
5307-01-076-503937920 INTERCHANGEABLE
Stud,plain
Jergens Inc Div Tooling Components Division
5999-01-564-709627935 INTERCHANGEABLE
Contact,electrical
Itt Cannon Llc
1680-01-581-791237900-501-2012 INTERCHANGEABLE
Dtsk,aircraft,mater
Drs Advanced Isr Llc Dba Drs Icas Llc
Cross-Reference Index
Part NumberManufacturer
37902 Freed Transformer Co (USA)
677-6034-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
27935 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5305-00-208-0995INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
27935
5950-00-243-8275INTERCHANGEABLE
REACTOR
10670381
5331-00-248-3831INTERCHANGEABLE
O-RING
00511
5307-01-076-5039INTERCHANGEABLE
STUD,PLAIN
37920
5999-01-564-7096INTERCHANGEABLE
CONTACT,ELECTRICAL
27935
1680-01-581-7912INTERCHANGEABLE
DTSK,AIRCRAFT,MATER
37900-501-2012

Frequently Asked Questions

What is NSN 5950-00-852-2395?

NSN 5950-00-852-2395 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 5950-00-852-2395?

NSN 5950-00-852-2395 has 3 cross-referenced part numbers: 37902 (Freed Transformer Co), 677-6034-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 27935 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-852-2395?

There are 6 known substitutes for 5950-00-852-2395: 5305-00-208-0995, 5950-00-243-8275, 5331-00-248-3831 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37902?

Key specifications for 37902: Frequency Rating: 5.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Mounting Facility Quantity: 1 SINGLE GROUP; Mounting Hole Diameter: 0.144 INCHES NOMINAL SINGLE GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 14 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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