PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

912-45Transformer,audio Frequency

Keysight Technologies Inc · NSN 5950-00-556-0198 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-556-0198 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-556-0198. Primary manufacturer part number: 912-45.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Height: 2.375 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Frequency Rating: 100.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 1.812 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-556-0198, 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 Keysight Technologies Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-556-0198
Primary Part Number912-45
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Body Height2.375 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating100.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length1.812 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Current20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Width1.750 INCHES NOMINAL IN
Impedance Rating in Ohms8.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Impedance Rating in Ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-300-2883K6158 INTERCHANGEABLE
Gasket
Clayton Manufacturing Company
3020-00-477-6435 INTERCHANGEABLE
Gear,worm Wheel
5930-00-875-326991245 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5340-01-336-6028K6158 INTERCHANGEABLE
Hardware Kit,mechanic Equipment
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
912-45 PRIMARY Keysight Technologies Inc (USA)
9120-0022 Keysight Technologies Inc (USA)
912-45 Keysight Technologies, Inc. (USA)
912-45PS Hewlett-Packard Company Dba HP (USA)
912-45PS Keysight Technologies Inc (USA)
912-45PS Keysight Technologies, Inc. (USA)
9120-0022 Hewlett-Packard Company Dba HP (USA)
9163150 Us Army Aviation and Missile Command (USA)
K6158 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
912-45 Hewlett-Packard Company Dba HP (USA)
9120-0022 Keysight Technologies, Inc. (USA)
Related Parts
5330-00-300-2883INTERCHANGEABLE
GASKET
K6158
3020-00-477-6435INTERCHANGEABLE
GEAR,WORM WHEEL
5930-00-875-3269INTERCHANGEABLE
SWITCH,ROTARY
91245
5340-01-336-6028INTERCHANGEABLE
HARDWARE KIT,MECHANIC EQUIPMENT
K6158

Frequently Asked Questions

What is NSN 5950-00-556-0198?

NSN 5950-00-556-0198 is a Transformer,audio Frequency, manufactured by Keysight Technologies Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-556-0198?

NSN 5950-00-556-0198 has 11 cross-referenced part numbers: 912-45 (Keysight Technologies Inc), 9120-0022 (Keysight Technologies Inc), 912-45 (Keysight Technologies, Inc.), 912-45PS (Hewlett-Packard Company Dba HP), 912-45PS (Keysight Technologies Inc) and 6 more.

What NSN replaces 5950-00-556-0198?

There are 4 known substitutes for 5950-00-556-0198: 5330-00-300-2883, 3020-00-477-6435, 5930-00-875-3269 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 912-45?

Key specifications for 912-45: Body Height: 2.375 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Thread Quantity Per Inch: 32 SINGLE GROUP. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-556-0198 still in active supply?

NSN 5950-00-556-0198 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.
PartsTable Design LLC · partstable.com