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Technical Data Sheet
PartsTable / MRO / 1603978
1603978 ✓ 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

The FILTER,LOW PASS is a the manufacturer industrial component. Key specifications include body_width: 1.312 INCHES NOMINAL IN, body_height: 1.760 INCHES MAXIMUM IN, body_length: 1.312 INCHES NOMINAL IN, inclosure_type: ENCASED, style_designator: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE, nominal_thread_size: 0.138 INCHES 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 5915-01-200-2133, 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→ 1603978
NSN: 5915-01-200-2133
FSC: 5915
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_width1.312 INCHES NOMINAL IN
body_height1.760 INCHES MAXIMUM IN
body_length1.312 INCHES NOMINAL IN
inclosure_typeENCASED
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
nominal_thread_size0.138 INCHES IN
load_impedance_per_function1000.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
reference_frequency_per_function50.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
source_impedance_rating_per_function10.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity3 TAB, SOLDER LUG INPUT-OUTPUT/GROUND LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5915-01-200-2133
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,LOW PASS TITLE COMPONENT PN 1603978 MFR FILTER,LOW PASS
KEY FEATURES
•
LOAD IMPEDANCE PER FUNCTION: 1000.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
REFERENCE FREQUENCY PER FUNCTION: 50.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY LENGTH: 1.312 INCHES NOMINAL IN
•
INCLOSURE TYPE: ENCASED
•
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS: 2.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
•
BODY WIDTH: 1.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOAD IMPEDANCE PER FUNCTION1000.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
REFERENCE FREQUENCY PER FUNCTION50.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY LENGTH1.312 INCHES NOMINAL IN
INCLOSURE TYPEENCASED
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS2.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
BODY WIDTH1.312 INCHES NOMINAL IN
SOURCE IMPEDANCE RATING PER FUNCTION10.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG INPUT-OUTPUT/GROUND LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
SCC23902-5Interchangeable
interchangeable cross-reference
interchangeable
4876Interchangeable
interchangeable cross-reference
interchangeable
792-3Interchangeable
interchangeable cross-reference
interchangeable
3652-08Interchangeable
interchangeable cross-reference
interchangeable
3652-01Interchangeable
interchangeable cross-reference
interchangeable
3159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1603978?
1603978 is a FILTER,LOW PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1603978?
There are 15 known substitutes for 1603978: SCC23902-5, 4876, 792-3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1603978?
1603978 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-200-2133. 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