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Technical Data Sheet
PartsTable / COMPONENT / 409B
409B ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: PLASTIC INSULATOR, body_style: STRAIGHT HANDLE, body_length: 1.625 INCHES NOMINAL IN, finger_type: TEST PROD SINGLE FINGER, power_rating: 16.00 WATTS NORMAL, usage_design: INDOOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-163-4164, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
409B
NSN: 5965-00-163-4164
FSC: 5965
CAGE: 05614 — ALTEC LANSING CORP SOUND PRODUCTS DIV (USA)
SPECIFICATIONS
materialPLASTIC INSULATOR
body_styleSTRAIGHT HANDLE
body_length1.625 INCHES NOMINAL IN
finger_typeTEST PROD SINGLE FINGER
power_rating16.00 WATTS NORMAL
usage_designINDOOR
finger_length0.500 INCHES NOMINAL SINGLE FINGER IN
overall_depth3.125 INCHES NOMINAL IN
terminal_typeWIRE WRAP
overall_length2.125 INCHES NOMINAL IN
finger_diameter0.080 INCHES NOMINAL SINGLE FINGER IN
mounting_methodUNTHREADED HOLE(S)
NSN5965-00-163-4164
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 409B MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG: 90.0
•
OVERALL DIAMETER: 8.125 INCHES NOMINAL IN
•
FREQUENCY RESPONSE RANGE IN HERTZ: +50.0 TO 14000.0
•
USAGE DESIGN: INDOOR
•
TRANSDUCER TYPE: CONE
•
INSTALLATION DESIGN: NONPORTABLE
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL QUANTITY2
MOUNTING METHODUNTHREADED HOLE(S)
ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG90.0
OVERALL DIAMETER8.125 INCHES NOMINAL IN
FREQUENCY RESPONSE RANGE IN HERTZ+50.0 TO 14000.0
USAGE DESIGNINDOOR
TRANSDUCER TYPECONE
INSTALLATION DESIGNNONPORTABLE
MOUNTING FACILITY QUANTITY4
IMPEDANCE RATING IN OHMS8.0 VOICE COIL NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1JA7889-1Interchangeable
interchangeable cross-reference
interchangeable
G221259-1Interchangeable
interchangeable cross-reference
interchangeable
G21259-1Interchangeable
interchangeable cross-reference
interchangeable
409BInterchangeable
interchangeable cross-reference
interchangeable
41-0409Interchangeable
interchangeable cross-reference
interchangeable
409-8DInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 409B?
409B is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 409B?
There are 8 known substitutes for 409B: 1JA7889-1, G221259-1, G21259-1 and 5 more. Substitute compatibility should be verified for your specific system.
Is 409B still available?
409B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026