PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504220Fuse Link,thermal

Littelfuse, Inc. · NSN 5920-00-258-6680 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-258-6680 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-258-6680. Primary manufacturer part number: 504220.
Features
  • Fuse Link,thermal — FSC 5920
  • Body Style: TANGENT TYPE
  • Maximum Voltage Rating in Volts: 250.0 AC
  • Continuous Current Rating in Amps: 10.000
  • Element Melting Temp: 150.0 CELSIUS DEGC
  • Body Height: 0.158 INCHES NOMINAL IN
  • Interruption Indicator Method: OPAQUE BODY
  • Temp Rating: 104.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse Link,thermal, cataloged under National Stock Number 5920-00-258-6680, 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 Littelfuse, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-258-6680
Primary Part Number504220
Item NameFuse Link,thermal
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Body StyleTANGENT TYPE
Maximum Voltage Rating in Volts250.0 AC
Continuous Current Rating in Amps10.000
Element Melting Temp150.0 CELSIUS DEGC
Body Height0.158 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Temp Rating104.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-054-6354 INTERCHANGEABLE
Hose,nonmetallic
5305-00-147-19854218 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5306-00-208-6283 INTERCHANGEABLE
Bolt,machine
5330-00-360-4483 INTERCHANGEABLE
Gasket
2040-00-398-9577 INTERCHANGEABLE
Fitting,e,haust
2805-00-792-9761EA101A INTERCHANGEABLE
Camshaft,engine
Wisconsin Motors, Llc
4720-00-922-5132 INTERCHANGEABLE
Hose,nonmetallic
7025-01-055-47984218 INTERCHANGEABLE
Printer,automatic Data Processin
Data General Corporation
2530-01-319-7869GB2178-TR INTERCHANGEABLE
Valve,steering Selector
Garrison Manufacturing Inc
5340-01-331-00644218 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
504220 Littelfuse, Inc. (USA)
G4A00104C Micro Devices Corp Sub of Emerson Electric Co (USA)
1710312-010 Cohu, Inc. Dba Cohu Electronic's Division Div Electronics Division (USA)
4218 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
159-0169-00 Tektronix, Inc. (USA)
4218A Therm-O-Disc Incorporated (USA)
4218A1 Micro Devices Corp Sub of Emerson Electric Co (USA)
G4A00104C Therm-O-Disc Incorporated (USA)
Related Parts
4720-00-054-6354INTERCHANGEABLE
HOSE,NONMETALLIC
5305-00-147-1985INTERCHANGEABLE
SCREW,MACHINE
4218
5306-00-208-6283INTERCHANGEABLE
BOLT,MACHINE
5330-00-360-4483INTERCHANGEABLE
GASKET
2040-00-398-9577INTERCHANGEABLE
FITTING,E,HAUST
2805-00-792-9761INTERCHANGEABLE
CAMSHAFT,ENGINE
EA101A
4720-00-922-5132INTERCHANGEABLE
HOSE,NONMETALLIC
7025-01-055-4798INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
4218
2530-01-319-7869INTERCHANGEABLE
VALVE,STEERING SELECTOR
GB2178-TR
5340-01-331-0064INTERCHANGEABLE
STANDOFF,THREADED,SPACING
4218
6635-01-450-9778INTERCHANGEABLE
PENETROMETER
4218A
8340-01-649-2230INTERCHANGEABLE
SHADE ASSEMBLY,SOLA
4218

Frequently Asked Questions

What is NSN 5920-00-258-6680?

NSN 5920-00-258-6680 is a Fuse Link,thermal, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-258-6680?

NSN 5920-00-258-6680 has 8 cross-referenced part numbers: 504220 (Littelfuse, Inc.), G4A00104C (Micro Devices Corp Sub of Emerson Electric Co), 1710312-010 (Cohu, Inc. Dba Cohu Electronic's Division Div Electronics Division), 4218 (Sensata Technologies, Inc. Div Sensata Attleboro), 159-0169-00 (Tektronix, Inc.) and 3 more.

What NSN replaces 5920-00-258-6680?

There are 12 known substitutes for 5920-00-258-6680: 4720-00-054-6354, 5305-00-147-1985, 5306-00-208-6283 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 504220?

Key specifications for 504220: Body Style: TANGENT TYPE; Maximum Voltage Rating in Volts: 250.0 AC; Continuous Current Rating in Amps: 10.000; Element Melting Temp: 150.0 CELSIUS DEGC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-258-6680 still in active supply?

NSN 5920-00-258-6680 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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