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M1644 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

M1644: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include special_features: CONTAINS MICROPHONE AMPLIFIER AND HEADSET AMPLIFIER; DIMENSIONS, 5.125 IN. X 3.625 IN.

X 4.625 IN. IN, end_item_identification: AIC-25 AIRCRAFT INTERCOMMUNICATION SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 4330-00-950-7092, 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→ M1644
NSN: 4330-00-950-7092
NIINs: 009507092, 012723450, 014978798
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
special_featuresCONTAINS MICROPHONE AMPLIFIER AND HEADSET AMPLIFIER; DIMENSIONS, 5.125 IN. X 3.625 IN. X 4.625 IN. IN
end_item_identificationAIC-25 AIRCRAFT INTERCOMMUNICATION SYSTEM
NSN4330-00-950-7092
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN M1644 MFR FILTER,RADIO FREQUENCY
SUBSTITUTES & CROSS-REFERENCES 1
1644Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1644?
M1644 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace M1644?
There is 1 known substitute for M1644: 1644. Substitute compatibility should be verified for your specific system.
What is the NSN for M1644?
M1644 is cataloged in the U.S. Government catalog under NSN 4330-00-950-7092. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.