NSN 5920-01-503-2940 · NIIN 015032940 · Part number R251 010
Littelfuse, Inc. · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 75915
Government record, cited
NSN 5920-01-503-2940 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-503-2940. Manufacturer of record part number: R251 010.
Also searched as5920-01-503-2940 ·
5920015032940 ·
NIIN 015032940 ·
01-503-2940 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 75915 · R251 010
Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
Identification
NSN: 5920-01-503-2940
NIIN: 015032940
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: R251 010
Manufacturer: Littelfuse, Inc.
General Description
The Fuse,cartridge, cataloged under National Stock Number 5920-01-503-2940, 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 8 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
5920-01-503-2940
Primary Part Number
R251 010
Item Name
Fuse,cartridge
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Littelfuse, Inc.
Status
ACTIVE
Continuous Current Rating in Amps
10.000
Terminal Diameter
0.025 INCHES NOMINAL IN
Body Style
PIGTAIL TYPE
Overall Diameter
0.095 INCHES NOMINAL IN
Terminal Length
1.500 INCHES NOMINAL IN
Interruption Indicator Method
VISIBLE ELEMENT
Maximum Voltage Rating in Volts
125.0 AC AND 125.0 DC
Circuit Over-Current Interruption Type
NORMAL INSTANTANEOUS
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 5920-01-503-2940?
NSN 5920-01-503-2940 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-503-2940?
NSN 5920-01-503-2940 has 1 manufacturer part number on file: R251 010 (Littelfuse, Inc.).
What are the specifications of R251 010?
Key specifications for R251 010: Continuous Current Rating in Amps: 10.000; Terminal Diameter: 0.025 INCHES NOMINAL IN; Body Style: PIGTAIL TYPE; Overall Diameter: 0.095 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-503-2940 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.