PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6501Transformer,audio Frequency

Texas Instruments Incorporated · NSN 5950-00-645-7319 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-7319 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-7319. Primary manufacturer part number: 6501.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 6 WIRE HOOK
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Body Outside Diameter: 1.000 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 150.0 NOMINAL AND 450.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Distance Between Mounting Facility Centers: 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-7319, 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 Texas Instruments Incorporated. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5950-00-645-7319
Primary Part Number6501
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusCANCELLED
Terminal Type and Quantity6 WIRE HOOK
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Outside Diameter1.000 INCHES NOMINAL IN
Impedance Rating in Ohms150.0 NOMINAL AND 450.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Distance Between Mounting Facility Centers1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current6.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating9.46 KILOHERTZ MINIMUM AND 10.46 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length2.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3030-00-141-225424607 INTERCHANGEABLE
Belts,v,matched Set
Contitech Usa, Inc Dba Veyance Technologies
5985-00-168-890610354-1 INTERCHANGEABLE
Coupler,directional
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5110-00-199-7287C24607 INTERCHANGEABLE
Reamer,hand
Kennametal Inc. Div Kennametal Industrial Products Group
5999-01-044-449806-05-3071 INTERCHANGEABLE
Holder,contact
Molex, Llc
5930-01-282-5536 INTERCHANGEABLE
Switch,sensitive
6625-01-343-543924607 INTERCHANGEABLE
Lead,test
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
6501 Texas Instruments Incorporated (USA)
F9881 United Transformer Corp Sub of Opt Industries Inc (USA)
677-0368-00 Arrow Electronics, Inc. (USA)
24607 Freed Transformer Co (USA)
F9881 Magnetika Inc (USA)
677-0368-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
3030-00-141-2254INTERCHANGEABLE
BELTS,V,MATCHED SET
24607
5985-00-168-8906INTERCHANGEABLE
COUPLER,DIRECTIONAL
10354-1
5110-00-199-7287INTERCHANGEABLE
REAMER,HAND
C24607
5999-01-044-4498INTERCHANGEABLE
HOLDER,CONTACT
06-05-3071
5930-01-282-5536INTERCHANGEABLE
SWITCH,SENSITIVE
6625-01-343-5439INTERCHANGEABLE
LEAD,TEST
24607

Frequently Asked Questions

What is NSN 5950-00-645-7319?

NSN 5950-00-645-7319 is a Transformer,audio Frequency, manufactured by Texas Instruments Incorporated, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-7319?

NSN 5950-00-645-7319 has 6 cross-referenced part numbers: 6501 (Texas Instruments Incorporated), F9881 (United Transformer Corp Sub of Opt Industries Inc), 677-0368-00 (Arrow Electronics, Inc.), 24607 (Freed Transformer Co), F9881 (Magnetika Inc) and 1 more.

What NSN replaces 5950-00-645-7319?

There are 6 known substitutes for 5950-00-645-7319: 3030-00-141-2254, 5985-00-168-8906, 5110-00-199-7287 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6501?

Key specifications for 6501: Terminal Type and Quantity: 6 WIRE HOOK; Mounting Facility Quantity: 2 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Body Outside Diameter: 1.000 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-7319 still in active supply?

NSN 5950-00-645-7319 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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