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GF53421 — ARRESTER,ELECTRICAL SURGE

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

GF53421: ARRESTER,ELECTRICAL SURGE.

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include end_item_identification: MALSR, APPROACH LIGHTING SYSTEM, MEDIUM INTENSITY, RUNWAY. This part is cataloged in the U.S.

Government catalog under NSN 5920-01-458-2719, 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→ GF53421
NSN: 5920-01-458-2719
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 08125 — U S DEPT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION (USA)
SPECIFICATIONS
end_item_identificationMALSR, APPROACH LIGHTING SYSTEM, MEDIUM INTENSITY, RUNWAY
NSN5920-01-458-2719
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN GF53421 MFR ARRESTER,ELECTRICAL SU
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONMALSR, APPROACH LIGHTING SYSTEM, MEDIUM INTENSITY, RUNWAY
OTHER ITEMS IN FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111 5920-00-001-3260 5920-00-001-3261 5920-00-001-3262 5920-00-001-3263 5920-00-001-3264 5920-00-001-3296 5920-00-001-3840
SUBSTITUTES & CROSS-REFERENCES 1
A-A-55459-S1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GF53421?
GF53421 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace GF53421?
There is 1 known substitute for GF53421: A-A-55459-S1. Substitute compatibility should be verified for your specific system.
What is the NSN for GF53421?
GF53421 is cataloged in the U.S. Government catalog under NSN 5920-01-458-2719. 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.