The Absorber,overvoltage, cataloged under National Stock Number 5920-01-438-0557, 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 Schneider Electric Usa, Inc.. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Schneider Electric Usa, Inc. (CAGE 51918); Fincantieri S.p.a. Div Direzione Navi Militari (CAGE A3121); Schneider Electric Usa, Inc. (CAGE 56365); Schneider Electric Spa (CAGE A0866) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-438-0557 |
| Primary Part Number | LA4DA-2U |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| LA4DA-2U | Schneider Electric Usa, Inc. (USA) |
| LA4-DA2U | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| LA4DA-2U PRIMARY | Schneider Electric Usa, Inc. (USA) |
| LA4-DA2U | Schneider Electric Spa (ITA) |
| Reference | Meaning |
|---|---|
| H375022-123 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
NSN 5920-01-438-0557 is a Absorber,overvoltage, manufactured by Schneider Electric Usa, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-438-0557 has 4 manufacturer part numbers on file: LA4DA-2U (Schneider Electric Usa, Inc.), LA4-DA2U (Fincantieri S.p.a. Div Direzione Navi Militari), LA4DA-2U (Schneider Electric Usa, Inc.), LA4-DA2U (Schneider Electric Spa).
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.