PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7Fuse,cartridge

Northern Telecom Inc Telecom Distribution Div · NSN 5920-00-228-7919 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-228-7919 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-228-7919. Primary manufacturer part number: A7.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 5.000
  • Interruption Indicator Method: OPAQUE BODY
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Overall Diameter: 0.438 INCHES NOMINAL IN
  • Terminal Length: 0.281 INCHES NOMINAL IN
  • Material: CERAMIC CASE
Applications
  • Applications requiring Ceramic Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-228-7919, 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 Northern Telecom Inc Telecom Distribution Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5920-00-228-7919
Primary Part NumberA7
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerNorthern Telecom Inc Telecom Distribution Div
StatusACTIVE
Continuous Current Rating in Amps5.000
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.438 INCHES NOMINAL IN
Terminal Length0.281 INCHES NOMINAL IN
MaterialCERAMIC CASE
Maximum Voltage Rating in Volts3500.0 AC AND 3000.0 DC
Body Length4.750 INCHES NOMINAL IN
Body StyleTELEPHONE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-021-2412 INTERCHANGEABLE
File,rotary
5365-00-064-4381 INTERCHANGEABLE
Spacer,sleeve
3010-00-088-4620 INTERCHANGEABLE
Gear Assembly,speed Decreaser
5940-00-111-3184A79 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3110-00-156-5309A7 INTERCHANGEABLE
Bearing,ball,annular
Nsk Uk Ltd
6685-00-447-1960107001 INTERCHANGEABLE
Thermometer,self-Indicating
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5120-00-516-35369920-1-7 INTERCHANGEABLE
Tool Set,fastener Installation
Southco Inc
6675-00-624-4053A7 INTERCHANGEABLE
Autographic Instrument,photogram
Leica Geosystems Ag Dba Leica Geosystems Sa
4730-00-727-9627 INTERCHANGEABLE
Clamp,hose
4520-00-937-3011A7 INTERCHANGEABLE
Heating Element,electrical,nonim
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Cross-Reference Index
Part NumberManufacturer
A7 Northern Telecom Inc Telecom Distribution Div (USA)
A7-5AMPS Northern Telecom Inc Telecom Distribution Div (USA)
Related Parts
3455-00-021-2412INTERCHANGEABLE
FILE,ROTARY
5365-00-064-4381INTERCHANGEABLE
SPACER,SLEEVE
3010-00-088-4620INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
5940-00-111-3184INTERCHANGEABLE
TERMINAL,LUG
A79
3110-00-156-5309INTERCHANGEABLE
BEARING,BALL,ANNULAR
A7
6685-00-447-1960INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
107001
5120-00-516-3536INTERCHANGEABLE
TOOL SET,FASTENER INSTALLATION
9920-1-7
6675-00-624-4053INTERCHANGEABLE
AUTOGRAPHIC INSTRUMENT,PHOTOGRAM
A7
4730-00-727-9627INTERCHANGEABLE
CLAMP,HOSE
4520-00-937-3011INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
A7
3441-01-005-6048INTERCHANGEABLE
BENDING MACHINE,BAR
A7
5998-01-264-6590INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
107329-901

Frequently Asked Questions

What is NSN 5920-00-228-7919?

NSN 5920-00-228-7919 is a Fuse,cartridge, manufactured by Northern Telecom Inc Telecom Distribution Div, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-228-7919?

NSN 5920-00-228-7919 has 2 cross-referenced part numbers: A7 (Northern Telecom Inc Telecom Distribution Div), A7-5AMPS (Northern Telecom Inc Telecom Distribution Div).

What NSN replaces 5920-00-228-7919?

There are 12 known substitutes for 5920-00-228-7919: 3455-00-021-2412, 5365-00-064-4381, 3010-00-088-4620 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7?

Key specifications for A7: Continuous Current Rating in Amps: 5.000; Interruption Indicator Method: OPAQUE BODY; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Overall Length: 5.031 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.
PartsTable Design LLC · partstable.com