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G391221S1 — FILTER,RADIO FREQUENCY INTERFERE

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

G391221S1: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include inclosure_type: ENCASED. This part is cataloged in the U.S.

Government catalog under NSN 5915-01-418-7221, 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→ G391221S1
NSN: 5915-01-418-7221
FSC: 5915 — Filters and Networks
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
inclosure_typeENCASED
NSN5915-01-418-7221
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN G391221S1 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
INCLOSURE TYPE: ENCASED
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEENCASED
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 1
SMHC94113AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is G391221S1?
G391221S1 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace G391221S1?
There is 1 known substitute for G391221S1: SMHC94113A. Substitute compatibility should be verified for your specific system.
What is the NSN for G391221S1?
G391221S1 is cataloged in the U.S. Government catalog under NSN 5915-01-418-7221. 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.