PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21701.6Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-305-5191 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-305-5191 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-305-5191. Primary manufacturer part number: 21701.6.
Features
  • Fuse,cartridge — FSC 5920
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Continuous Current Rating in Amps: 1.600
  • Overall Diameter: 0.197 INCHES NOMINAL IN
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Fragility Factor: MODERATELY DELICATE
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-305-5191, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, 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
NSN5920-01-305-5191
Primary Part Number21701.6
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Interruption Indicator MethodVISIBLE ELEMENT
Continuous Current Rating in Amps1.600
Overall Diameter0.197 INCHES NOMINAL IN
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Fragility FactorMODERATELY DELICATE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialGLASS CASE
Surface TreatmentNICKEL TERMINAL
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-130-5659200875 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Cross-Reference Index
Part NumberManufacturer
21701.6 Rheinmetall Air Defence Ag (CHE)
2110-0701 Hewlett-Packard Company Dba HP (USA)
SS00-1.5A Cooper Bussmann Uk Ltd (GBR)
21701.6 PRIMARY Littelfuse, Inc. (USA)
GDB-1.6A Cooper Bussmann, Llc Dba Cooper Industries (USA)
S500-1.5A Cooper Bussmann Uk Ltd (GBR)
FSF034.1518 Schurter, Inc. Dba Schurter Inc (USA)
ASC1562370 Asc Pty Ltd (AUS)
EQ-1.6A San-O Industrial Corp (USA)
2181169 Thales Security Systems Uk Limited (GBR)
2110-0673 Hewlett-Packard Company Dba HP (USA)
Related Parts
4820-01-130-5659INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
200875

Frequently Asked Questions

What is NSN 5920-01-305-5191?

NSN 5920-01-305-5191 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-305-5191?

NSN 5920-01-305-5191 has 11 cross-referenced part numbers: 21701.6 (Rheinmetall Air Defence Ag), 2110-0701 (Hewlett-Packard Company Dba HP), SS00-1.5A (Cooper Bussmann Uk Ltd), 21701.6 (Littelfuse, Inc.), GDB-1.6A (Cooper Bussmann, Llc Dba Cooper Industries) and 6 more.

What NSN replaces 5920-01-305-5191?

There is 1 known substitute for 5920-01-305-5191: 4820-01-130-5659. Verify interchangeability with system specifications before substitution.

What are the specifications of 21701.6?

Key specifications for 21701.6: Interruption Indicator Method: VISIBLE ELEMENT; Continuous Current Rating in Amps: 1.600; Overall Length: 0.787 INCHES NOMINAL IN; Overall Diameter: 0.197 INCHES NOMINAL IN. 11 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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