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FWH450A — FUSE,CARTRIDGE

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

FWH450A: FUSE,CARTRIDGE.

The FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include body_style: HOLE TYPE, overall_length: 4.500 INCHES NOMINAL IN, overall_diameter: 1.875 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, surface_treatment: SILVER TERMINAL, terminal_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5920-00-564-5702, 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→ FWH450A
NSN: 5920-00-564-5702
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
body_styleHOLE TYPE
overall_length4.500 INCHES NOMINAL IN
overall_diameter1.875 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentSILVER TERMINAL
terminal_thickness0.250 INCHES NOMINAL IN
mounting_hole_diameter0.469 INCHES NOMINAL IN
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts500.0 AC AND 500.0 DC
continuous_current_rating_in_amps450.000
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
center_to_center_distance_between_mounting_facilities_parallel_to_length3.328 INCHES NOMINAL IN
NSN5920-00-564-5702
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN FWH450A MFR FUSE,CARTRIDGE
KEY FEATURES
•
CONTINUOUS CURRENT RATING IN AMPS: 450.000
•
BODY STYLE: HOLE TYPE
•
OVERALL DIAMETER: 1.875 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.328 INCHES NOMINAL IN
•
TERMINAL THICKNESS: 0.250 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.469 INCHES NOMINAL IN
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
TECHNICAL CHARACTERISTICS
CONTINUOUS CURRENT RATING IN AMPS450.000
BODY STYLEHOLE TYPE
OVERALL DIAMETER1.875 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.328 INCHES NOMINAL IN
TERMINAL THICKNESS0.250 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.469 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
SURFACE TREATMENTSILVER TERMINAL
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 5
345-004-9002Reference document
Same NSN cross-reference
Reference document — Secondary reference
KBH450Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
12-749350-45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
L50S450Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A050F450Reference 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 FWH450A?
FWH450A is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace FWH450A?
There are 5 known substitutes for FWH450A: 345-004-9002, KBH450, 12-749350-45 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FWH450A?
FWH450A is cataloged in the U.S. Government catalog under NSN 5920-00-564-5702. 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.