NSN 5920-01-690-5920 · NIIN 016905920 · Part number SL1021B250R
Littelfuse, Inc. · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 75915
Government record, cited
NSN 5920-01-690-5920 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-690-5920. Manufacturer of record part number: SL1021B250R.
Also searched as5920-01-690-5920 ·
5920016905920 ·
NIIN 016905920 ·
01-690-5920 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 75915 · SL1021B250R
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: SL1021B250R
Manufacturer: Littelfuse, Inc.
General Description
The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-690-5920, 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 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
5920-01-690-5920
Primary Part Number
SL1021B250R
Item Name
Arrester,electrical Surge
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Littelfuse, Inc.
Status
ACTIVE
Arrester Type
GAS
Body Material
CERAMIC OR TIN
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 5920-01-690-5920?
NSN 5920-01-690-5920 is a Arrester,electrical Surge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-690-5920?
NSN 5920-01-690-5920 has 1 manufacturer part number on file: SL1021B250R (Littelfuse, Inc.).
What are the specifications of SL1021B250R?
Key specifications for SL1021B250R: Arrester Type: GAS; Body Material: CERAMIC OR TIN; Part Name Assigned by Controlling Agency: ARRESTER,ELECTRICAL SURGE; End Item Identification: COMPUTER SET,FIELD ARTILLERY,GENERAL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-690-5920 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.