The Arrester,lightning, cataloged under National Stock Number 5920-00-985-2549, 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 Westinghouse Electric Corp. Government technical data includes 9 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-985-2549 |
| Primary Part Number | 1594747 |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | CLAMP |
| Line to Ground Voltage | 25.000 KILOVOLTS NOMINAL |
| Mounting Method | HOLE |
| Breakdown Voltage | 90.000 KILOVOLTS NOMINAL |
| Arrester Type | RESISTOR |
| Body Material | CERAMIC |
| Mounting Configuration | FOUR 13/16 IN. DIA HOLES 90 DEG APART ON A 10-5/16 IN. DIA CIRCLE IN |
| 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 |
|---|---|
| 1594747 PRIMARY | Westinghouse Electric Corp (USA) |
NSN 5920-00-985-2549 is a Arrester,lightning, manufactured by Westinghouse Electric Corp, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-985-2549 has 1 manufacturer part number on file: 1594747 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-696-5218. Verify interchangeability with system specifications before substitution.
Key specifications for 1594747: Overall Height: 35.500 INCHES NOMINAL IN; Terminal Quantity: 2; Usage Design: OUTDOOR; Terminal Type: CLAMP. 9 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.