PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21397Transformer,audio Frequency

Cessna Aircraft Co Arc Avionics Div · NSN 5950-00-658-4950 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-658-4950 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-658-4950. Primary manufacturer part number: 21397.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Mounting Facility Quantity: 3 SINGLE GROUP
  • Mounting Bolt Circle Diameter: 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Transformer Function: INPUT
  • Body Outside Diameter: 1.500 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 5950-00-658-4950, 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 Cessna Aircraft Co Arc Avionics Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-658-4950
Primary Part Number21397
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity3 SINGLE GROUP
Mounting Bolt Circle Diameter0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Transformer FunctionINPUT
Body Outside Diameter1.500 INCHES NOMINAL IN
Terminal Type and Quantity5 TAB, SOLDER LUG
Body Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5130-00-293-2014 INTERCHANGEABLE
Brush,wire,rotary Wheel
4320-00-360-163821397 INTERCHANGEABLE
Mounting Flange Subassembly
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-00-595-759921397 INTERCHANGEABLE
Washer,spring Tension
Telemechanics Inc
5905-00-931-699921397 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
4920-00-944-6935 INTERCHANGEABLE
Bearing,ball Assemb
5950-00-974-6171 INTERCHANGEABLE
Coil,radio Frequency
3120-01-372-933421397 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
21397 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
5130-00-293-2014INTERCHANGEABLE
BRUSH,WIRE,ROTARY WHEEL
4320-00-360-1638INTERCHANGEABLE
MOUNTING FLANGE SUBASSEMBLY
21397
5310-00-595-7599INTERCHANGEABLE
WASHER,SPRING TENSION
21397
5905-00-931-6999INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
21397
4920-00-944-6935INTERCHANGEABLE
BEARING,BALL ASSEMB
5950-00-974-6171INTERCHANGEABLE
COIL,RADIO FREQUENCY
3120-01-372-9334INTERCHANGEABLE
BEARING,SLEEVE
21397

Frequently Asked Questions

What is NSN 5950-00-658-4950?

NSN 5950-00-658-4950 is a Transformer,audio Frequency, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-658-4950?

NSN 5950-00-658-4950 has 1 cross-referenced part number: 21397 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5950-00-658-4950?

There are 7 known substitutes for 5950-00-658-4950: 5130-00-293-2014, 4320-00-360-1638, 5310-00-595-7599 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21397?

Key specifications for 21397: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Mounting Facility Quantity: 3 SINGLE GROUP; Mounting Bolt Circle Diameter: 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 9 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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