NSN 5920-01-663-3236 · NIIN 016633236 · Part number CKK225-300A
Littelfuse, Inc. · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 75915
Government record, cited
NSN 5920-01-663-3236 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-663-3236. Manufacturer of record part number: CKK225-300A.
Also searched as5920-01-663-3236 ·
5920016633236 ·
NIIN 016633236 ·
01-663-3236 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 75915 · CKK225-300A
Center to Center Distance Between Mounting Facilities Parallel to Length: 3.829 INCHES NOMINAL IN
Interruption Indicator Method: NO VISUAL INDICATION
Maximum Voltage Rating in Volts: 48.0 DC
Circuit Over-Current Interruption Type: TIME DELAY
Identification
NSN: 5920-01-663-3236
NIIN: 016633236
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: CKK225-300A
Manufacturer: Littelfuse, Inc.
General Description
The Fuse,enclosed Link, cataloged under National Stock Number 5920-01-663-3236, 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 Littelfuse, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5920-01-663-3236
Primary Part Number
CKK225-300A
Item Name
Fuse,enclosed Link
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Littelfuse, Inc.
Status
ACTIVE
Body Diameter
1.00 INCHES NOMINAL IN
Continuous Current Rating in Amps
300.0
Body Style
SLOTTED LIMITER
Center to Center Distance Between Mounting Facilities Parallel to Length
3.829 INCHES NOMINAL IN
Interruption Indicator Method
NO VISUAL INDICATION
Maximum Voltage Rating in Volts
48.0 DC
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 5920-01-663-3236?
NSN 5920-01-663-3236 is a Fuse,enclosed Link, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-663-3236?
NSN 5920-01-663-3236 has 1 manufacturer part number on file: CKK225-300A (Littelfuse, Inc.).
What are the specifications of CKK225-300A?
Key specifications for CKK225-300A: Body Diameter: 1.00 INCHES NOMINAL IN; Continuous Current Rating in Amps: 300.0; Body Style: SLOTTED LIMITER; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.829 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-663-3236 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.