PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23349BTransformer,pulse

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5950-00-521-8408 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-521-8408 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-521-8408. Primary manufacturer part number: 23349B.
Features
  • Transformer,pulse — FSC 5950
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Terminal Type and Quantity: 5 STANDOFF, THREADED STUD AND 1 THREADED STUD
  • Mounting Hole Diameter: 0.221 INCHES NOMINAL SINGLE GROUP IN
  • Impedance Rating in Ohms: 400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Current: 52.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
  • Pulse Repetition Rate: 1.5 KILOHERTZ SINGLE COMPONENT
  • Mounting Facility Quantity: 3 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-521-8408, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-521-8408
Primary Part Number23349B
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity5 STANDOFF, THREADED STUD AND 1 THREADED STUD
Mounting Hole Diameter0.221 INCHES NOMINAL SINGLE GROUP IN
Impedance Rating in Ohms400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current52.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Pulse Repetition Rate1.5 KILOHERTZ SINGLE COMPONENT
Mounting Facility Quantity3 SINGLE GROUP
Body Height6.250 INCHES NOMINAL IN
DC Resistance Rating in Ohms500.000 SINGLE COMPONENT ALL SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Length6.750 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Body Width5.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5360-00-007-655323349 INTERCHANGEABLE
Spring,helical,compression
Triumph Controls, Llc Dba Triumph Controls, Llc
6625-00-113-6412 INTERCHANGEABLE
Voltmeter
5920-00-280-953958002-018 INTERCHANGEABLE
Fuse,cartridge
Tdk-Lambda Americas Inc. Div High Power Division
3020-00-402-4403 INTERCHANGEABLE
Gear,helical
3010-01-439-879736951 INTERCHANGEABLE
Cap,end,actuator
Moog Inc. Dba Ampac-Isp Corp
5306-01-578-269336951 INTERCHANGEABLE
Bolt,hex Head,aircr
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
23349B PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
23349 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
36951 Freed Transformer Co (USA)
Related Parts
5360-00-007-6553INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
23349
6625-00-113-6412INTERCHANGEABLE
VOLTMETER
5920-00-280-9539INTERCHANGEABLE
FUSE,CARTRIDGE
58002-018
3020-00-402-4403INTERCHANGEABLE
GEAR,HELICAL
3010-01-439-8797INTERCHANGEABLE
CAP,END,ACTUATOR
36951
5306-01-578-2693INTERCHANGEABLE
BOLT,HEX HEAD,AIRCR
36951

Frequently Asked Questions

What is NSN 5950-00-521-8408?

NSN 5950-00-521-8408 is a Transformer,pulse, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-521-8408?

NSN 5950-00-521-8408 has 3 cross-referenced part numbers: 23349B (L3harris Technologies, Inc Div Space & Airborne Systems), 23349 (L3harris Technologies, Inc Div Space & Airborne Systems), 36951 (Freed Transformer Co).

What NSN replaces 5950-00-521-8408?

There are 6 known substitutes for 5950-00-521-8408: 5360-00-007-6553, 6625-00-113-6412, 5920-00-280-9539 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23349B?

Key specifications for 23349B: Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Terminal Type and Quantity: 5 STANDOFF, THREADED STUD AND 1 THREADED STUD; Mounting Hole Diameter: 0.221 INCHES NOMINAL SINGLE GROUP IN; Impedance Rating in Ohms: 400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-521-8408 still in active supply?

NSN 5950-00-521-8408 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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