PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14657Transformer,audio Frequency

Inrcore, Llc Div Inrcore · NSN 5950-01-265-3973 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-265-3973 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-265-3973. Primary manufacturer part number: 14657.
Features
  • Transformer,audio Frequency — FSC 5950
  • Mounting Method: TERMINAL SINGLE GROUP
  • Terminal Type and Quantity: 4 PIN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 400.0 HERTZ MINIMUM AND 800.0 HERTZ MAXIMUM SINGLE COMPONENT
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-265-3973, 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 Inrcore, Llc Div Inrcore. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-265-3973
Primary Part Number14657
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerInrcore, Llc Div Inrcore
StatusACTIVE
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity4 PIN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Frequency Rating400.0 HERTZ MINIMUM AND 800.0 HERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-138-504510178108-25 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
4320-00-148-4973368420 INTERCHANGEABLE
Pump Unit,centrifugal
Hyster-Yale Group, Inc.
5331-00-167-51392-153V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5950-00-943-3982H79965-005 INTERCHANGEABLE
Transformer,audio Frequency
The Boeing Company Div Defense
2520-01-325-896514657 INTERCHANGEABLE
Propeller Shaft,vehicular
Liftking Manufacturing Corp
6810-01-494-368321061-69 INTERCHANGEABLE
Nitrate Reagent
Hach Company Dba Hach Co
Cross-Reference Index
Part NumberManufacturer
TF5RX13YY Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
14657 PRIMARY Inrcore, Llc Div Inrcore (USA)
6406700-1 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
Related Parts
5950-00-138-5045INTERCHANGEABLE
COIL,RADIO FREQUENCY
10178108-25
4320-00-148-4973INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
368420
5331-00-167-5139INTERCHANGEABLE
O-RING
2-153V0747-75
5950-00-943-3982INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
H79965-005
2520-01-325-8965INTERCHANGEABLE
PROPELLER SHAFT,VEHICULAR
14657
6810-01-494-3683INTERCHANGEABLE
NITRATE REAGENT
21061-69

Frequently Asked Questions

What is NSN 5950-01-265-3973?

NSN 5950-01-265-3973 is a Transformer,audio Frequency, manufactured by Inrcore, Llc Div Inrcore, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-265-3973?

NSN 5950-01-265-3973 has 3 cross-referenced part numbers: TF5RX13YY (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 14657 (Inrcore, Llc Div Inrcore), 6406700-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).

What NSN replaces 5950-01-265-3973?

There are 6 known substitutes for 5950-01-265-3973: 5950-00-138-5045, 4320-00-148-4973, 5331-00-167-5139 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14657?

Key specifications for 14657: Mounting Method: TERMINAL SINGLE GROUP; Terminal Type and Quantity: 4 PIN; Overall Length: 0.880 INCHES NOMINAL IN; Overall Width: 0.660 INCHES NOMINAL IN. 9 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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