PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0N149943Transformer,pulse

National Security Agency · NSN 5950-00-858-7229 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-858-7229 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-858-7229. Primary manufacturer part number: 0N149943.
Features
  • Transformer,pulse — FSC 5950
  • Impedance Rating in Ohms: 100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
  • Frequency Rating: 12.0 KILOHERTZ MINIMUM AND 2.3 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 0.406 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 6 WIRE LEAD
  • Inclosure Type: HERMETICALLY SEALED
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-858-7229, 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 National Security Agency. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-858-7229
Primary Part Number0N149943
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp130.0 CELSIUS DEGC
Frequency Rating12.0 KILOHERTZ MINIMUM AND 2.3 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Body Length0.406 INCHES MAXIMUM IN
Terminal Type and Quantity6 WIRE LEAD
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Outside Diameter0.406 INCHES MAXIMUM IN
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Primary to Secondary Turn Ratio1 TO 4 TO 4 SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6670-00-278-1808H64 INTERCHANGEABLE
Balance,analytical
Mettler-Toledo Llc
4730-01-219-77869464H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5962-01-329-6014LM317HVK INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
9121C4009-2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
0N149943 PRIMARY National Security Agency (USA)
PUL 31 Components Corp of America (USA)
9121C4009-2 Lockheed Corp Lockheed Electronics Co Inc (USA)
H-64 United Transformer Corp Sub of Opt Industries Inc (USA)
H64 United Transformer Co
507399-5 Raytheon Company Dba Raytheon (USA)
2652742-5 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
H-64 Magnetika Inc (USA)
Related Parts
6670-00-278-1808INTERCHANGEABLE
BALANCE,ANALYTICAL
H64
4730-01-219-7786INTERCHANGEABLE
CLAMP,HOSE
9464H B
5962-01-329-6014INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM317HVK

Frequently Asked Questions

What is NSN 5950-00-858-7229?

NSN 5950-00-858-7229 is a Transformer,pulse, manufactured by National Security Agency, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-858-7229?

NSN 5950-00-858-7229 has 9 cross-referenced part numbers: 9121C4009-2 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 0N149943 (National Security Agency), PUL 31 (Components Corp of America), 9121C4009-2 (Lockheed Corp Lockheed Electronics Co Inc), H-64 (United Transformer Corp Sub of Opt Industries Inc) and 4 more.

What NSN replaces 5950-00-858-7229?

There are 3 known substitutes for 5950-00-858-7229: 6670-00-278-1808, 4730-01-219-7786, 5962-01-329-6014. Verify interchangeability with system specifications before substitution.

What are the specifications of 0N149943?

Key specifications for 0N149943: Impedance Rating in Ohms: 100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Maximum Operating Temp: 130.0 CELSIUS DEGC; Frequency Rating: 12.0 KILOHERTZ MINIMUM AND 2.3 MEGAHERTZ MAXIMUM SINGLE COMPONENT; Body Length: 0.406 INCHES MAXIMUM IN. 12 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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