The Arrester,lightning, cataloged under National Stock Number 5920-01-439-6239, 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 Oeco, Llc Dba Pacific Scientific Oeco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Oeco, Llc Dba Pacific Scientific Oeco (CAGE 02101) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-439-6239 |
| Primary Part Number | 71890 |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Oeco, Llc Dba Pacific Scientific Oeco |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 71890 PRIMARY | Oeco, Llc Dba Pacific Scientific Oeco (USA) |
| Reference | Meaning |
|---|---|
| 71890 | 5/9 Secondary reference Joslyn Products |
NSN 5920-01-439-6239 is a Arrester,lightning, manufactured by Oeco, Llc Dba Pacific Scientific Oeco, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-439-6239 has 1 manufacturer part number on file: 71890 (Oeco, Llc Dba Pacific Scientific Oeco).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-507-2330. Verify interchangeability with system specifications before substitution.
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.