PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GSB1Fuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-01-622-2565 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-622-2565 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-622-2565. Primary manufacturer part number: GSB1.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: TUBE TYPE
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Maximum Voltage Rating in Volts: 250.0 AC
  • Overall Diameter: 5.0 MILLIMETERS NOMINAL MM
  • Continuous Current Rating in Amps: 1.0
  • 1 verified cross-reference
  • Primary manufacturer: Mersen Usa Ep Corp. Dba Ferraz Shawmut
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-622-2565, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-622-2565
Primary Part NumberGSB1
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusACTIVE
Body StyleTUBE TYPE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Maximum Voltage Rating in Volts250.0 AC
Overall Diameter5.0 MILLIMETERS NOMINAL MM
Continuous Current Rating in Amps1.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6650-00-997-4331 INTERCHANGEABLE
Shade,optical Instrument
Cross-Reference Index
Part NumberManufacturer
GSB1 PRIMARY Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
Related Parts
6650-00-997-4331INTERCHANGEABLE
SHADE,OPTICAL INSTRUMENT

Frequently Asked Questions

What is NSN 5920-01-622-2565?

NSN 5920-01-622-2565 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-622-2565?

NSN 5920-01-622-2565 has 1 cross-referenced part number: GSB1 (Mersen Usa Ep Corp. Dba Ferraz Shawmut).

What NSN replaces 5920-01-622-2565?

There is 1 known substitute for 5920-01-622-2565: 6650-00-997-4331. Verify interchangeability with system specifications before substitution.

What are the specifications of GSB1?

Key specifications for GSB1: Body Style: TUBE TYPE; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Special Features: GLASS BODY; FAST ACTING; 250 VAC AT 35 A I.R. VAC; Maximum Voltage Rating in Volts: 250.0 AC. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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