PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8440071Fuse,cartridge

Instruments Incorporated Dba Instruments Inc · NSN 5920-00-435-1938 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-435-1938 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-435-1938. Primary manufacturer part number: 8440071.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: HOLE TYPE
  • Continuous Current Rating in Amps: 80.000
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Interruption Indicator Method: OPAQUE BODY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.656 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.312 INCHES NOMINAL IN
  • Precious Material: SILVER
Applications
  • Applications requiring Ceramic Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-435-1938, 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 Instruments Incorporated Dba Instruments Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-435-1938
Primary Part Number8440071
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerInstruments Incorporated Dba Instruments Inc
StatusACTIVE
Body StyleHOLE TYPE
Continuous Current Rating in Amps80.000
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Interruption Indicator MethodOPAQUE BODY
Center to Center Distance Between Mounting Facilities Parallel to Length3.656 INCHES NOMINAL IN
Mounting Hole Diameter0.312 INCHES NOMINAL IN
Precious MaterialSILVER
Precious Material and LocationTERMINAL SURFACES SILVER
Terminal Thickness0.125 INCHES NOMINAL IN
Overall Diameter1.000 INCHES NOMINAL IN
Maximum Voltage Rating in Volts500.0 AC AND 500.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
MaterialCERAMIC CASE
Surface TreatmentSILVER TERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-038-6892 INTERCHANGEABLE
Fuse,cartridge
5920-00-162-1041 INTERCHANGEABLE
Fuse,cartridge
5920-00-174-1121 INTERCHANGEABLE
Fuse,cartridge
5920-00-237-0995 INTERCHANGEABLE
Fuse,cartridge
5920-00-241-6802 INTERCHANGEABLE
Fuse,cartridge
5920-00-396-8339 INTERCHANGEABLE
Fuse,cartridge
5920-00-421-5655 INTERCHANGEABLE
Fuse,cartridge
5920-00-422-0139 INTERCHANGEABLE
Fuse,cartridge
5920-00-435-1936 INTERCHANGEABLE
Fuse,cartridge
5920-00-458-6388 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
8440071 Instruments Incorporated Dba Instruments Inc (USA)
UFR50P080 Denco Fuses, Inc. (USA)
A-A-55495 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A50P80-4 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
RFV80 Federal Pacific Electric Co Economy Fuse Div (USA)
L50S80 Littelfuse, Inc. (USA)
A050F080 Carbone-Ferraz Inc (USA)
FWH80A Cooper Bussmann, Llc Dba Cooper Industries (USA)
12-749350-08 Emerson Electric Co Computer Power Div (USA)
AA55495-013 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5920-00-038-6892INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-162-1041INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-174-1121INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-237-0995INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-241-6802INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-396-8339INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-421-5655INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-422-0139INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-435-1936INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-458-6388INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-762-0620INTERCHANGEABLE
FUSE,CARTRIDGE
5920-01-012-6202INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-435-1938?

NSN 5920-00-435-1938 is a Fuse,cartridge, manufactured by Instruments Incorporated Dba Instruments Inc, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-435-1938?

NSN 5920-00-435-1938 has 10 cross-referenced part numbers: 8440071 (Instruments Incorporated Dba Instruments Inc), UFR50P080 (Denco Fuses, Inc.), A-A-55495 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A50P80-4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), RFV80 (Federal Pacific Electric Co Economy Fuse Div) and 5 more.

What NSN replaces 5920-00-435-1938?

There are 12 known substitutes for 5920-00-435-1938: 5920-00-038-6892, 5920-00-162-1041, 5920-00-174-1121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8440071?

Key specifications for 8440071: Body Style: HOLE TYPE; Continuous Current Rating in Amps: 80.000; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Interruption Indicator Method: OPAQUE BODY. 15 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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