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CN1978957 — FILTER,BAND SUPPRESSION

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

CN1978957: FILTER,BAND SUPPRESSION.

The FILTER,BAND SUPPRESSION is a the manufacturer industrial component. Key specifications include end_item_identification: COUNTERMEASURES SET GUARDIAN STAR MODEL A/BLQ-501. This part is cataloged in the U.S.

Government catalog under NSN 5915-01-459-3454, 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→ CN1978957
NSN: 5915-01-459-3454
FSC: 5915 — Filters and Networks
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
end_item_identificationCOUNTERMEASURES SET GUARDIAN STAR MODEL A/BLQ-501
NSN5915-01-459-3454
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND SUPPRESSION TITLE COMPONENT PN CN1978957 MFR FILTER,BAND SUPPRESSIO
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCOUNTERMEASURES SET GUARDIAN STAR MODEL A/BLQ-501
OTHER ITEMS IN FSC 5915 — Filters and Networks
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5915-00-000-0148 5915-00-001-1389 5915-00-001-1621 5915-00-001-2789 5915-00-001-2928 5915-00-001-2936 5915-00-001-3003 5915-00-001-3117
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CN1978957?
CN1978957 is a FILTER,BAND SUPPRESSION. It is classified as a MRO (MRO_GENERAL).
What is the NSN for CN1978957?
CN1978957 is cataloged in the U.S. Government catalog under NSN 5915-01-459-3454. 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.