The Arrester,lightning, cataloged under National Stock Number 5920-01-561-4944, 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 Notification, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-561-4944 |
| Primary Part Number | X03-02394 |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Notification, Inc. |
| Status | ACTIVE |
| Usage Design | INDOOR |
| Mounting Method | BRACKET(S) |
| Arrester Type | GAS |
| Body Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| X03-02394 | Cooper Notification, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AL-NFNFB | 3/9 Design control — primary reference Altelicon Inc |
NSN 5920-01-561-4944 is a Arrester,lightning, manufactured by Cooper Notification, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-561-4944 has 1 manufacturer part number on file: X03-02394 (Cooper Notification, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5920-01-651-9321, 5920-01-719-1104. Verify interchangeability with system specifications before substitution.
Key specifications for X03-02394: Overall Height: 1.600 INCHES NOMINAL IN; Usage Design: INDOOR; Mounting Method: BRACKET(S); Arrester Type: GAS. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.