PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81818Transformer,audio Frequency

Ge Aviation Systems Llc · NSN 5950-00-648-6490 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-6490 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-6490. Primary manufacturer part number: 81818.
Features
  • Transformer,audio Frequency — FSC 5950
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Impedance Rating in Ohms: 48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 1.141 INCHES MAXIMUM IN
  • Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 0.938 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Body Width: 1.219 INCHES NOMINAL 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 5950-00-648-6490, 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 Ge Aviation Systems Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5950-00-648-6490
Primary Part Number81818
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusACTIVE
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length1.141 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height0.938 INCHES NOMINAL IN
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Body Width1.219 INCHES NOMINAL IN
Impedance Rating in Ohms920.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity5 TAB, SOLDER LUG
Inclosure TypeOPEN
Mounting Facility Quantity2 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-00-838-5282 INTERCHANGEABLE
Drill,twist
5330-01-432-0883 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Cross-Reference Index
Part NumberManufacturer
81818-01 Ge Aviation Systems Llc (USA)
81818 PRIMARY Ge Aviation Systems Llc (USA)
Related Parts
5133-00-838-5282INTERCHANGEABLE
DRILL,TWIST
5330-01-432-0883INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED

Frequently Asked Questions

What is NSN 5950-00-648-6490?

NSN 5950-00-648-6490 is a Transformer,audio Frequency, manufactured by Ge Aviation Systems Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-6490?

NSN 5950-00-648-6490 has 2 cross-referenced part numbers: 81818-01 (Ge Aviation Systems Llc), 81818 (Ge Aviation Systems Llc).

What NSN replaces 5950-00-648-6490?

There are 2 known substitutes for 5950-00-648-6490: 5133-00-838-5282, 5330-01-432-0883. Verify interchangeability with system specifications before substitution.

What are the specifications of 81818?

Key specifications for 81818: Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT; Impedance Rating in Ohms: 48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Body Length: 1.141 INCHES MAXIMUM IN; Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 14 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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