PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21825Transformer,pulse

Freed Transformer Co · NSN 5950-00-521-9396 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-521-9396 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-521-9396. Primary manufacturer part number: 21825.
Features
  • Transformer,pulse — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • 1 verified cross-reference
  • Primary manufacturer: Freed Transformer Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-521-9396, 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 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-521-9396
Primary Part Number21825
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-222-73221278908 INTERCHANGEABLE
Dummy Connector,receptacle
Naval Ship Systems Command
2530-00-273-850410A8804 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Napco International Llc Dba Napco International Inc
5950-00-765-123521825 INTERCHANGEABLE
Transformer,power
Torotel, Inc. Div Torotel Products, Inc.
1620-00-977-27662182-5 INTERCHANGEABLE
Filter,spool
Goodrich Aerospace Canada Ltd
5930-01-032-448621825 INTERCHANGEABLE
Switch,pull
Itw Food Equipment Group Llc Dba Gaylord Industries
5998-01-074-2468 INTERCHANGEABLE
Circuit Card Assembly
5962-01-330-162721-825 INTERCHANGEABLE
Microcircuit,digital
Palomar Products, Inc.
6240-01-344-9535 INTERCHANGEABLE
Lamp,fluorescent
5315-01-469-2660 INTERCHANGEABLE
Pin,straight,headless
4810-01-545-420221825-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21825 PRIMARY Freed Transformer Co (USA)
Related Parts
5935-00-222-7322INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
1278908
2530-00-273-8504INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
10A8804
5950-00-765-1235INTERCHANGEABLE
TRANSFORMER,POWER
21825
1620-00-977-2766INTERCHANGEABLE
FILTER,SPOOL
2182-5
5930-01-032-4486INTERCHANGEABLE
SWITCH,PULL
21825
5998-01-074-2468INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5962-01-330-1627INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
21-825
6240-01-344-9535INTERCHANGEABLE
LAMP,FLUORESCENT
5315-01-469-2660INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4810-01-545-4202INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21825-001

Frequently Asked Questions

What is NSN 5950-00-521-9396?

NSN 5950-00-521-9396 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 5950-00-521-9396?

NSN 5950-00-521-9396 has 1 cross-referenced part number: 21825 (Freed Transformer Co).

What NSN replaces 5950-00-521-9396?

There are 10 known substitutes for 5950-00-521-9396: 5935-00-222-7322, 2530-00-273-8504, 5950-00-765-1235 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21825?

Key specifications for 21825: Inclosure Type: FULLY INCLOSED. 1 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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