PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMD422571Transformer,audio Frequency

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-00-892-8086 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-892-8086 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-892-8086. Primary manufacturer part number: SMD422571.
Features
  • Transformer,audio Frequency — FSC 5950
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Height: 1.375 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Impedance Rating in Ohms: 60.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-892-8086, 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 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-892-8086
Primary Part NumberSMD422571
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Body Height1.375 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Impedance Rating in Ohms60.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length1.000 INCHES MAXIMUM IN
Terminal Type and Quantity4 WIRE HOOK
Frequency Rating200.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch40 SINGLE GROUP
Winding Operating Current90.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Maximum Transformer Power Rating2.5 MILLIWATTS SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width1.000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-253-8962290594PC4 INTERCHANGEABLE
Gasket
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-920-837243214 INTERCHANGEABLE
Bearing Half,sleeve
Cummins Inc.
5330-01-299-490743559 INTERCHANGEABLE
Packing,preformed
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
X8945-1 Foster Transformer Co Div Foster Transformer Company (USA)
SMD422571 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
43559 Freed Transformer Co (USA)
Related Parts
5330-00-253-8962INTERCHANGEABLE
GASKET
290594PC4
3120-00-920-8372INTERCHANGEABLE
BEARING HALF,SLEEVE
43214
5330-01-299-4907INTERCHANGEABLE
PACKING,PREFORMED
43559

Frequently Asked Questions

What is NSN 5950-00-892-8086?

NSN 5950-00-892-8086 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: active.

What are the part numbers for NSN 5950-00-892-8086?

NSN 5950-00-892-8086 has 3 cross-referenced part numbers: X8945-1 (Foster Transformer Co Div Foster Transformer Company), SMD422571 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 43559 (Freed Transformer Co).

What NSN replaces 5950-00-892-8086?

There are 3 known substitutes for 5950-00-892-8086: 5330-00-253-8962, 3120-00-920-8372, 5330-01-299-4907. Verify interchangeability with system specifications before substitution.

What are the specifications of SMD422571?

Key specifications for SMD422571: Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Mounting Facility Quantity: 2 SINGLE GROUP; Body Height: 1.375 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED. 19 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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