PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12524Transformer,pulse

Freed Transformer Co · NSN 5950-00-255-3504 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-255-3504 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-255-3504. Primary manufacturer part number: 12524.
Features
  • Transformer,pulse — FSC 5950
  • Body Length: 1.875 INCHES NOMINAL IN
  • DC Resistance Rating in Ohms: 115.000 SINGLE COMPONENT SINGLE PRIMARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • DC Resistance Rating in Ohms: 534.000 SINGLE COMPONENT SINGLE SECONDARY
  • Body Width: 1.625 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Inductance Rating: 85.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-255-3504, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-255-3504
Primary Part Number12524
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Body Length1.875 INCHES NOMINAL IN
DC Resistance Rating in Ohms115.000 SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
DC Resistance Rating in Ohms534.000 SINGLE COMPONENT SINGLE SECONDARY
Body Width1.625 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Inductance Rating85.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 SOLDER STUD
Inductance Rating18.30 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Body Height2.500 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Pulse Repetition Rate100.0 KILOHERTZ SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-003-928050141S INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5330-00-146-2804 INTERCHANGEABLE
Gasket
3020-00-306-6752 INTERCHANGEABLE
Gear,spur
4310-00-431-16481F4516 INTERCHANGEABLE
Retainer
Caterpillar Inc Div Caterpillar Defense
4130-00-438-1473201 W/213 BOX INTERCHANGEABLE
Manifold,charging and Testing,re
Draf Industries, Inc
5330-00-588-026812-524 INTERCHANGEABLE
Gasket
Vacco Industries
5950-00-716-744612524 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
3040-00-971-1544111-A-0004 INTERCHANGEABLE
Ball Joint
Transdigm Inc
4820-01-045-779112524 INTERCHANGEABLE
Seat,valve
Leroi International Inc Dba Compair Leroi
5970-01-215-69791252400 INTERCHANGEABLE
Insulator,spacer
Phoenix Products Llc Dba Phoenix Lighting Products Llc
Cross-Reference Index
Part NumberManufacturer
40-153 Fada Radio and Electric Co Inc (USA)
12524 PRIMARY Freed Transformer Co (USA)
Related Parts
5330-00-003-9280INTERCHANGEABLE
SEAL,PLAIN ENCASED
50141S
5330-00-146-2804INTERCHANGEABLE
GASKET
3020-00-306-6752INTERCHANGEABLE
GEAR,SPUR
4310-00-431-1648INTERCHANGEABLE
RETAINER
1F4516
4130-00-438-1473INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
201 W/213 BOX
5330-00-588-0268INTERCHANGEABLE
GASKET
12-524
5950-00-716-7446INTERCHANGEABLE
REACTOR
12524
3040-00-971-1544INTERCHANGEABLE
BALL JOINT
111-A-0004
4820-01-045-7791INTERCHANGEABLE
SEAT,VALVE
12524
5970-01-215-6979INTERCHANGEABLE
INSULATOR,SPACER
1252400
5305-01-273-4982INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12524
2510-01-345-4018INTERCHANGEABLE
FRAME SECTION,STRUCTURAL,VEHICUL
12524

Frequently Asked Questions

What is NSN 5950-00-255-3504?

NSN 5950-00-255-3504 is a Transformer,pulse, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-255-3504?

NSN 5950-00-255-3504 has 2 cross-referenced part numbers: 40-153 (Fada Radio and Electric Co Inc), 12524 (Freed Transformer Co).

What NSN replaces 5950-00-255-3504?

There are 12 known substitutes for 5950-00-255-3504: 5330-00-003-9280, 5330-00-146-2804, 3020-00-306-6752 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12524?

Key specifications for 12524: Body Length: 1.875 INCHES NOMINAL IN; DC Resistance Rating in Ohms: 115.000 SINGLE COMPONENT SINGLE PRIMARY; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; DC Resistance Rating in Ohms: 534.000 SINGLE COMPONENT SINGLE SECONDARY. 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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