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RFN350 — FUSE,CARTRIDGE

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

RFN350: FUSE,CARTRIDGE.

The FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include material: COPPER TERMINAL, body_style: HOLE TYPE, overall_length: 3.844 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, precious_material: SILVER. This part is cataloged in the U.S.

Government catalog under NSN 5920-00-059-1106, 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→ RFN350
NSN: 5920-00-059-1106
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 72076 — FEDERAL PACIFIC ELECTRIC CO ECONOMY FUSE DIV (USA)
SPECIFICATIONS
materialCOPPER TERMINAL
body_styleHOLE TYPE
overall_length3.844 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
precious_materialSILVER
surface_treatmentSILVER TERMINAL
terminal_thickness0.250 INCHES NOMINAL IN
mounting_hole_diameter0.406 INCHES NOMINAL IN
interruption_indicator_methodOPAQUE BODY
precious_material_and_locationTERMINAL SURFACES SILVER
maximum_voltage_rating_in_volts250.0 AC AND 250.0 DC
NSN5920-00-059-1106
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN RFN350 MFR FUSE,CARTRIDGE
KEY FEATURES
•
CONTINUOUS CURRENT RATING IN AMPS: 350.000
•
BODY STYLE: HOLE TYPE
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.781 INCHES NOMINAL IN
•
PRECIOUS MATERIAL: SILVER
•
TERMINAL THICKNESS: 0.250 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CONTINUOUS CURRENT RATING IN AMPS350.000
BODY STYLEHOLE TYPE
OVERALL DIAMETER0.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.781 INCHES NOMINAL IN
PRECIOUS MATERIALSILVER
TERMINAL THICKNESS0.250 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
OVERALL LENGTH3.844 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
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 6
A25X350Reference document
Same NSN cross-reference
Reference document — Secondary reference
A25X350TYPE4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
KLB 350Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FU25X350Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FWX-350ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
KAB350Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RFN350?
RFN350 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace RFN350?
There are 6 known substitutes for RFN350: A25X350, A25X350TYPE4, KLB 350 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RFN350?
RFN350 is cataloged in the U.S. Government catalog under NSN 5920-00-059-1106. 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.