PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC-B-90631Transformer,audio Frequency

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-00-567-2580 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-567-2580 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-567-2580. Primary manufacturer part number: SC-B-90631.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 7 TAB, SOLDER LUG
  • Transformer Function: LINE
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Impedance Rating in Ohms: 15.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Impedance Rating in Ohms: 250.0 NOMINAL AND 500.0 NOMINAL AND 1000.0 NOMINAL AND 2500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Distance Between Mounting Facility Centers: 3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-567-2580, 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 18 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-567-2580
Primary Part NumberSC-B-90631
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Terminal Type and Quantity7 TAB, SOLDER LUG
Transformer FunctionLINE
Inclosure TypeHERMETICALLY SEALED
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Impedance Rating in Ohms15.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms250.0 NOMINAL AND 500.0 NOMINAL AND 1000.0 NOMINAL AND 2500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility Centers3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating25.0 WATTS SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width2.250 INCHES NOMINAL IN
Maximum Operating Temp105.0 CELSIUS DEGC
Body Length4.125 INCHES NOMINAL IN
Body Height2.875 INCHES MAXIMUM IN
Frequency Rating50.0 HERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Slot Width0.218 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-262-2194 INTERCHANGEABLE
Drill,twist
3030-00-269-9714614 INTERCHANGEABLE
Belt,v
Gates Corporation
5325-00-291-77052214 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5330-00-367-468576461A INTERCHANGEABLE
Gasket
Dresser, Llc
5310-01-143-1679 INTERCHANGEABLE
Washer,flat
4320-01-294-182636912 INTERCHANGEABLE
Valve Plate,hydraulic Motor-Pump
Spx Fluid Power
5340-01-306-9968 INTERCHANGEABLE
Handle,door
6680-01-397-008844178 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
6240-01-508-783036912 INTERCHANGEABLE
Lamp,incandescent
Westinghouse Lighting Corporation Dba Angelo Brothers Co
Cross-Reference Index
Part NumberManufacturer
SC-B-90631 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
PEI 8131 Precision Electronics, Inc (USA)
44178 Coast/advanced Chip Magnetics, Inc. (USA)
36912 Freed Transformer Co (USA)
Related Parts
5133-00-262-2194INTERCHANGEABLE
DRILL,TWIST
3030-00-269-9714INTERCHANGEABLE
BELT,V
614
5325-00-291-7705INTERCHANGEABLE
GROMMET,NONMETALLIC
2214
5330-00-367-4685INTERCHANGEABLE
GASKET
76461A
5310-01-143-1679INTERCHANGEABLE
WASHER,FLAT
4320-01-294-1826INTERCHANGEABLE
VALVE PLATE,HYDRAULIC MOTOR-PUMP
36912
5340-01-306-9968INTERCHANGEABLE
HANDLE,DOOR
6680-01-397-0088INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
44178
6240-01-508-7830INTERCHANGEABLE
LAMP,INCANDESCENT
36912

Frequently Asked Questions

What is NSN 5950-00-567-2580?

NSN 5950-00-567-2580 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 5950-00-567-2580?

NSN 5950-00-567-2580 has 4 cross-referenced part numbers: SC-B-90631 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), PEI 8131 (Precision Electronics, Inc), 44178 (Coast/advanced Chip Magnetics, Inc.), 36912 (Freed Transformer Co).

What NSN replaces 5950-00-567-2580?

There are 9 known substitutes for 5950-00-567-2580: 5133-00-262-2194, 3030-00-269-9714, 5325-00-291-7705 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC-B-90631?

Key specifications for SC-B-90631: Terminal Type and Quantity: 7 TAB, SOLDER LUG; Transformer Function: LINE; Inclosure Type: HERMETICALLY SEALED; Mounting Method: FLANGE AND SLOT SINGLE GROUP. 18 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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