PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290799ISSUE8Transformer,audio Frequency

Stromberg-Carlson Corp a Plessey Telecommunications Co · NSN 5950-00-645-4256 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4256 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4256. Primary manufacturer part number: 290799ISSUE8.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 100.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Terminal Type and Quantity: 4 STANDOFF, SOLDER LUG
  • Body Outside Diameter: 1.031 INCHES MAXIMUM IN
  • Body Length: 1.656 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 1.406 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 5950-00-645-4256, 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 Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-4256
Primary Part Number290799ISSUE8
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStromberg-Carlson Corp a Plessey Telecommunications Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating100.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Body Outside Diameter1.031 INCHES MAXIMUM IN
Body Length1.656 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.406 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height1.625 INCHES MAXIMUM IN
Primary to Secondary Turn Ratio1 TO 21.7 SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Mounting Hole Diameter0.141 INCHES NOMINAL SINGLE GROUP IN
Impedance Rating in Ohms800.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Impedance Rating in Ohms456000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2990-00-356-0816290731-1 INTERCHANGEABLE
Crank,hand,vehicular
Briggs and Stratton Corp
5342-00-792-7597 INTERCHANGEABLE
Mount,resilient,weapon System
Cross-Reference Index
Part NumberManufacturer
290799ISSUE8 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
290799ISSUE8 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
W1734 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
290799 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
Related Parts
2990-00-356-0816INTERCHANGEABLE
CRANK,HAND,VEHICULAR
290731-1
5342-00-792-7597INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM

Frequently Asked Questions

What is NSN 5950-00-645-4256?

NSN 5950-00-645-4256 is a Transformer,audio Frequency, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-4256?

NSN 5950-00-645-4256 has 4 cross-referenced part numbers: 290799ISSUE8 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 290799ISSUE8 (Stromberg-Carlson Corp a Plessey Telecommunications Co), W1734 (Cen Electronics a Div of Chloride Power Electronics Inc), 290799 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).

What NSN replaces 5950-00-645-4256?

There are 2 known substitutes for 5950-00-645-4256: 2990-00-356-0816, 5342-00-792-7597. Verify interchangeability with system specifications before substitution.

What are the specifications of 290799ISSUE8?

Key specifications for 290799ISSUE8: Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 100.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP; Terminal Type and Quantity: 4 STANDOFF, SOLDER LUG. 16 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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