The Arrester,lightning, cataloged under National Stock Number 5920-00-040-2909, 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 Burke Products Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-040-2909 |
| Primary Part Number | 171LX |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Burke Products Inc |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | CLAMP |
| Line to Ground Voltage | 14.000 MEGAVOLTS NOMINAL |
| Overall Diameter | 6.750 INCHES NOMINAL IN |
| Mounting Method | BOLT |
| Breakdown Voltage | 10.000 KILOVOLTS MINIMUM AND 200.000 KILOVOLTS MAXIMUM |
| Arrester Type | AIR GAP |
| Body Material | CERAMIC |
| Mounting Configuration | ONE 7/16 IN. DIA BOLT LOCATED RADIALLY FROM CENTER 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 |
|---|---|
| 171LX | Burke Products Inc (USA) |
| Reference | Meaning |
|---|---|
| MX1420U | 5/2 Secondary reference U.S. Government activity |
| RE10D685 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5920-00-040-2909 is a Arrester,lightning, manufactured by Burke Products Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-040-2909 has 1 manufacturer part number on file: 171LX (Burke Products Inc).
Key specifications for 171LX: Terminal Quantity: 2; Usage Design: OUTDOOR; Terminal Type: CLAMP; Line to Ground Voltage: 14.000 MEGAVOLTS NOMINAL. 10 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.