PartsTable
Technical Data Sheet
PartsTable / MRO / A4109
A4109 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 end_item_identification: USED ON A-4109 PART OF HARTZELL PROPELLER GOVERNOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-171-8985, 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
MRO→ MRO_GENERAL→ A4109
NSN: 6625-00-171-8985
FSC: 6625
CAGE: 81535 — AERONAUTICAL COMMUNICATIONS EQUIPMENT INC (USA)
SPECIFICATIONS
end_item_identificationUSED ON A-4109 PART OF HARTZELL PROPELLER GOVERNOR
NSN6625-00-171-8985
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN A4109 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
INSTALLATION DESIGN: PANEL
•
COLOR: UNABLE TO DECODE
•
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD
•
STYLE DESIGNATOR: RECTANGULAR FLUSH MTG
•
ACCURACY IN PERCENT: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
•
DIAL SCALE MARKING COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
•
METER DEPTH BEHIND MOUNTING FLANGE: 0.906 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSTALLATION DESIGNPANEL
COLORUNABLE TO DECODE
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
STYLE DESIGNATORRECTANGULAR FLUSH MTG
ACCURACY IN PERCENT-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
DIAL SCALE MARKING COLORBLACK SINGLE INDICATOR SINGLE RANGE
OVERALL LENGTH1.250 INCHES NOMINAL IN
METER DEPTH BEHIND MOUNTING FLANGE0.906 INCHES NOMINAL IN
MATERIALPLASTIC
OVERALL HEIGHT2.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
BPV21Interchangeable
interchangeable cross-reference
interchangeable
AP-2Interchangeable
interchangeable cross-reference
interchangeable
1469Interchangeable
interchangeable cross-reference
interchangeable
N13064PCA4109Interchangeable
interchangeable cross-reference
interchangeable
76B270Interchangeable
interchangeable cross-reference
interchangeable
N13059PCA4109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4109?
A4109 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A4109?
There are 18 known substitutes for A4109: BPV21, AP-2, 1469 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A4109?
A4109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-171-8985. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026