NSN 5920-01-643-6404 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-643-6404. Manufacturer of record part number: MF-SM050-2.
Also searched as5920-01-643-6404 ·
5920016436404 ·
NIIN 016436404 ·
01-643-6404 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 32997 · MF-SM050-2
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: MF-SM050-2
Manufacturer: Bourns Inc
General Description
The Fuse,enclosed Link, cataloged under National Stock Number 5920-01-643-6404, 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 Bourns Inc. Government technical data includes 2 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
5920-01-643-6404
Primary Part Number
MF-SM050-2
Item Name
Fuse,enclosed Link
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Bourns Inc
Status
ACTIVE
Continuous Current Rating in Amps
40.0
Maximum Voltage Rating in Volts
60.0 DC
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 5920-01-643-6404?
NSN 5920-01-643-6404 is a Fuse,enclosed Link, manufactured by Bourns Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-643-6404?
NSN 5920-01-643-6404 has 1 manufacturer part number on file: MF-SM050-2 (Bourns Inc).
What are the specifications of MF-SM050-2?
Key specifications for MF-SM050-2: Overall Height: 3.18 MILLIMETERS MAXIMUM MM; Continuous Current Rating in Amps: 40.0; Overall Length: 7.98 MILLIMETERS MAXIMUM MM; Overall Width: 5.44 MILLIMETERS MAXIMUM MM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-643-6404 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.