PartsTable
Technical Data Sheet
PartsTable / MRO / E-1644
E-1644 ✓ 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 body_length: 2.188 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_length: 3.220 INCHES NOMINAL IN, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, operating_temp_range: -55.0 TO 85.0 CELSIUS DEGC, body_outside_diameter: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-818-3391, 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→ E-1644
NSN: 5915-00-818-3391
FSC: 5915
CAGE: 23160 — LINDGREN RF ENCLOSURES INC ELMAG DIV (USA)
SPECIFICATIONS
body_length2.188 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length3.220 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
body_outside_diameter0.750 INCHES NOMINAL IN
maximum_voltage_drop_per_function1.25 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
operating_current_rating_per_function_in_amps1.0 BLANK ALL FUNCTIONS
operating_voltage_rating_and_type_per_function400.0 VOLTS AC BLANK AND 130.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
power_line_frequency_rating_per_function_in_hertz1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
NSN5915-00-818-3391
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN E-1644 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION
•
STYLE DESIGNATOR: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
•
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ: 1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY LENGTH: 2.188 INCHES NOMINAL IN
•
OPERATING CURRENT RATING PER FUNCTION IN AMPS: 1.0 BLANK ALL FUNCTIONS
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
•
MAXIMUM VOLTAGE DROP PER FUNCTION: 1.25 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG INPUT FIRST FUNCTION
STYLE DESIGNATORROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
OVERALL LENGTH3.220 INCHES NOMINAL IN
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY LENGTH2.188 INCHES NOMINAL IN
OPERATING CURRENT RATING PER FUNCTION IN AMPS1.0 BLANK ALL FUNCTIONS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
MAXIMUM VOLTAGE DROP PER FUNCTION1.25 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION400.0 VOLTS AC BLANK AND 130.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
20549AInterchangeable
interchangeable cross-reference
interchangeable
5175Interchangeable
interchangeable cross-reference
interchangeable
14U1488PCADD5175Interchangeable
interchangeable cross-reference
interchangeable
LIS36-3Interchangeable
interchangeable cross-reference
interchangeable
S36-3Interchangeable
interchangeable cross-reference
interchangeable
SP158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E-1644?
E-1644 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace E-1644?
There are 11 known substitutes for E-1644: 20549A, 5175, 14U1488PCADD5175 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E-1644?
E-1644 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-818-3391. 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