PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1 1-4Fuse,plug

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-503-3576 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-503-3576 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-503-3576. Primary manufacturer part number: S1 1-4.
Features
  • Fuse,plug — FSC 5920
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Continuous Current Rating in Amps: 1.250
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Delay Time in Seconds: 20.0 250 PCT OF CURRENT RATING
  • Maximum Voltage Rating in Volts: 125.0 DC
  • Body Style: S-BASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,plug, cataloged under National Stock Number 5920-00-503-3576, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-503-3576
Primary Part NumberS1 1-4
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Overall Diameter1.250 INCHES NOMINAL IN
Continuous Current Rating in Amps1.250
Circuit Over-Current Interruption TypeTIME DELAY
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption Delay Time in Seconds20.0 250 PCT OF CURRENT RATING
Maximum Voltage Rating in Volts125.0 DC
Body StyleS-BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-017-97954507147-9 INTERCHANGEABLE
Screw,cap,hexagon Head
Agco Corp Parts Opn
5930-00-136-1538S114 INTERCHANGEABLE
Adapter,switch Actuator
Simmonds Precision Products Inc
5930-00-325-8734RH-1452-D-10 INTERCHANGEABLE
Switch,rotary
Cts Reeves Frequency Products
5365-00-495-9587639971 INTERCHANGEABLE
Shim
Am General Llc
6240-00-578-7422 INTERCHANGEABLE
Lamp,incandescent
5130-00-821-5425S114 INTERCHANGEABLE
Drill,electric,portable
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
5310-01-291-0123S114 INTERCHANGEABLE
Washer,seal
Naval Inventory Control Point Mechanicsburg
5360-01-360-9363S-114 INTERCHANGEABLE
Spring,helical,compression
Peter Paul Electronics Co., Inc. Dba Peter Paul Electronics Co Inc
6105-01-369-3071 INTERCHANGEABLE
Motor,alternating Current
3120-01-526-6986S-114 INTERCHANGEABLE
Bushing,sleeve
Uni Tek Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
S1 1-4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5305-00-017-9795INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4507147-9
5930-00-136-1538INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
S114
5930-00-325-8734INTERCHANGEABLE
SWITCH,ROTARY
RH-1452-D-10
5365-00-495-9587INTERCHANGEABLE
SHIM
639971
6240-00-578-7422INTERCHANGEABLE
LAMP,INCANDESCENT
5130-00-821-5425INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
S114
5310-01-291-0123INTERCHANGEABLE
WASHER,SEAL
S114
5360-01-360-9363INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S-114
6105-01-369-3071INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3120-01-526-6986INTERCHANGEABLE
BUSHING,SLEEVE
S-114
6670-01-565-6944INTERCHANGEABLE
BALANCE,ANALYTICAL
S-114

Frequently Asked Questions

What is NSN 5920-00-503-3576?

NSN 5920-00-503-3576 is a Fuse,plug, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-503-3576?

NSN 5920-00-503-3576 has 1 cross-referenced part number: S1 1-4 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-00-503-3576?

There are 11 known substitutes for 5920-00-503-3576: 5305-00-017-9795, 5930-00-136-1538, 5930-00-325-8734 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1 1-4?

Key specifications for S1 1-4: Overall Length: 1.250 INCHES NOMINAL IN; Overall Diameter: 1.250 INCHES NOMINAL IN; Continuous Current Rating in Amps: 1.250; Circuit Over-Current Interruption Type: TIME DELAY. 8 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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