PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9140-0045PSTransformer,radio Frequency

Keysight Technologies Inc · NSN 5950-00-977-1289 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-977-1289 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-977-1289. Primary manufacturer part number: 9140-0045PS.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.375 INCHES NOMINAL IN
  • Inclosure Type: OPEN
  • Thread Series Designator: UNF SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED BUSHING SINGLE GROUP
  • Body Length: 1.688 INCHES NOMINAL IN
  • Nominal Thread Size: 0.250 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-977-1289, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-977-1289
Primary Part Number9140-0045PS
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Body Outside Diameter0.375 INCHES NOMINAL IN
Inclosure TypeOPEN
Thread Series DesignatorUNF SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED BUSHING SINGLE GROUP
Body Length1.688 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Terminal Type and Quantity3 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3439-00-255-4569 INTERCHANGEABLE
Flux,soldering
6145-00-881-8177 INTERCHANGEABLE
Wire,electrical
5360-01-017-549718574 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4130-01-459-378718574 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
9140-0045PS PRIMARY Keysight Technologies Inc (USA)
18-574 Albert Frei & Sons, Inc. Dba Afs (USA)
9140-0045PS Hewlett-Packard Company Dba HP (USA)
9140-0045PS Keysight Technologies, Inc. (USA)
Related Parts
3439-00-255-4569INTERCHANGEABLE
FLUX,SOLDERING
6145-00-881-8177INTERCHANGEABLE
WIRE,ELECTRICAL
5360-01-017-5497INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
18574
4130-01-459-3787INTERCHANGEABLE
VACU-DISCS
18574

Frequently Asked Questions

What is NSN 5950-00-977-1289?

NSN 5950-00-977-1289 is a Transformer,radio Frequency, manufactured by Keysight Technologies Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-977-1289?

NSN 5950-00-977-1289 has 4 cross-referenced part numbers: 9140-0045PS (Keysight Technologies Inc), 18-574 (Albert Frei & Sons, Inc. Dba Afs), 9140-0045PS (Hewlett-Packard Company Dba HP), 9140-0045PS (Keysight Technologies, Inc.).

What NSN replaces 5950-00-977-1289?

There are 4 known substitutes for 5950-00-977-1289: 3439-00-255-4569, 6145-00-881-8177, 5360-01-017-5497 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9140-0045PS?

Key specifications for 9140-0045PS: Body Outside Diameter: 0.375 INCHES NOMINAL IN; Inclosure Type: OPEN; Thread Series Designator: UNF SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED. 8 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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