PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC-D-93387Transformer,audio Frequency

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-00-254-3991 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-254-3991 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-254-3991. Primary manufacturer part number: SC-D-93387.
Features
  • Transformer,audio Frequency — FSC 5950
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Maximum Transformer Power Rating: 5.0 WATTS SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Body Length: 2.062 INCHES NOMINAL IN
  • Body Height: 2.000 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-254-3991, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-254-3991
Primary Part NumberSC-D-93387
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Thread Quantity Per Inch32 SINGLE GROUP
Maximum Transformer Power Rating5.0 WATTS SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Length2.062 INCHES NOMINAL IN
Body Height2.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Impedance Rating in Ohms8.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity6 STANDOFF, SOLDER LUG
Winding Operating Current40.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 3-5/32 TO 25 SINGLE COMPONENT
Body Width2.312 INCHES NOMINAL IN
Impedance Rating in Ohms500.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5905-00-204-9861SPEC32526 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5315-00-479-306932526 INTERCHANGEABLE
Key,machine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3020-00-757-8377A6649 INTERCHANGEABLE
Gear,spur
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
1560-01-329-521432526 INTERCHANGEABLE
Fitting,conduit
American Fuel Cell and Coated Fabrics Company, Llc
6850-01-511-006332526 INTERCHANGEABLE
Sealer,chemical
Loctite Corp
5120-01-645-004132526 INTERCHANGEABLE
Remover,stud
Mayhew Steel Products Inc
5307-01-648-514632526 INTERCHANGEABLE
Stud,continuous Thread
All America Threaded Div Mid-Atlantic
5950-01-680-5880 INTERCHANGEABLE
Transformer,audio Frequency
5340-01-698-8304300935 INTERCHANGEABLE
Bracket,mounting
Heil Trailer International Llc
Cross-Reference Index
Part NumberManufacturer
SC-D-93387 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
W4862-2 Unisys Corp Systems Development (USA)
SC-C-93387 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
32526 Freed Transformer Co (USA)
300935 Viking Technologies, Ltd. (USA)
A6649 Autodyne Manufacturing Co Inc (USA)
Related Parts
5905-00-204-9861INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
SPEC32526
5315-00-479-3069INTERCHANGEABLE
KEY,MACHINE
32526
3020-00-757-8377INTERCHANGEABLE
GEAR,SPUR
A6649
1560-01-329-5214INTERCHANGEABLE
FITTING,CONDUIT
32526
6850-01-511-0063INTERCHANGEABLE
SEALER,CHEMICAL
32526
5120-01-645-0041INTERCHANGEABLE
REMOVER,STUD
32526
5307-01-648-5146INTERCHANGEABLE
STUD,CONTINUOUS THREAD
32526
5950-01-680-5880INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5340-01-698-8304INTERCHANGEABLE
BRACKET,MOUNTING
300935

Frequently Asked Questions

What is NSN 5950-00-254-3991?

NSN 5950-00-254-3991 is a Transformer,audio Frequency, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-254-3991?

NSN 5950-00-254-3991 has 6 cross-referenced part numbers: SC-D-93387 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), W4862-2 (Unisys Corp Systems Development), SC-C-93387 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 32526 (Freed Transformer Co), 300935 (Viking Technologies, Ltd.) and 1 more.

What NSN replaces 5950-00-254-3991?

There are 9 known substitutes for 5950-00-254-3991: 5905-00-204-9861, 5315-00-479-3069, 3020-00-757-8377 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC-D-93387?

Key specifications for SC-D-93387: Thread Quantity Per Inch: 32 SINGLE GROUP; Maximum Transformer Power Rating: 5.0 WATTS SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-254-3991 still in active supply?

NSN 5950-00-254-3991 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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