NSN 5920-00-184-2020 · NIIN 001842020 · Part number LKN400
Cooper Bussmann, Llc Dba Cooper Industries · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 71400
Government record, cited
NSN 5920-00-184-2020 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-184-2020. Manufacturer of record part number: LKN400.
Also searched as5920-00-184-2020 ·
5920001842020 ·
NIIN 001842020 ·
00-184-2020 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 71400 · LKN400 · 1145
Circuit Over-Current Interruption Delay Time in Seconds: 40.0 250 PCT OF CURRENT RATING
Maximum Voltage Rating in Volts: 250.0 AC
Circuit Over-Current Interruption Type: TIME DELAY
2 manufacturer part numbers on file
Manufacturer of record: Cooper Bussmann, Llc Dba Cooper Industries
Identification
NSN: 5920-00-184-2020
NIIN: 001842020
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: LKN400
Manufacturer: Cooper Bussmann, Llc Dba Cooper Industries
General Description
The Fuse Link,electrical, cataloged under National Stock Number 5920-00-184-2020, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5920-00-184-2020
Primary Part Number
LKN400
Item Name
Fuse Link,electrical
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Cooper Bussmann, Llc Dba Cooper Industries
Status
ACTIVE
Continuous Current Rating in Amps
400.000
Circuit Over-Current Interruption Delay Time in Seconds
40.0 250 PCT OF CURRENT RATING
Maximum Voltage Rating in Volts
250.0 AC
Circuit Over-Current Interruption Type
TIME DELAY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111
5920-00-001-3111 · Item name not on file
5920-00-001-3260
FUSE,CARTRIDGE
5920-00-001-3261
FUSE,CARTRIDGE
5920-00-001-3262
ARRESTER,ELECTRICAL SURGE
5920-00-001-3263
ARRESTER,ELECTRICAL SURGE
5920-00-001-3264
5920-00-001-3264 · Item name not on file
5920-00-001-3296
5920-00-001-3296 · Item name not on file
5920-00-001-3840
5920-00-001-3840 · Item name not on file
Frequently Asked Questions
What is NSN 5920-00-184-2020?
NSN 5920-00-184-2020 is a Fuse Link,electrical, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-00-184-2020?
NSN 5920-00-184-2020 has 2 manufacturer part numbers on file: LKN400 (Littelfuse, Inc.), LKN400 (Cooper Bussmann, Llc Dba Cooper Industries).
What are the specifications of LKN400?
Key specifications for LKN400: Continuous Current Rating in Amps: 400.000; Circuit Over-Current Interruption Delay Time in Seconds: 40.0 250 PCT OF CURRENT RATING; Overall Length: 3.438 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 250.0 AC. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5920-00-184-2020 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.