The Arrester,lightning, cataloged under National Stock Number 5920-01-189-5086, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5920-01-189-5086 |
| Primary Part Number | 29-512471-7 |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | THREADED STUD |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Breakdown Voltage | 400.000 VOLTS NOMINAL |
| Arrester Type | AIR GAP |
| 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 |
|---|---|
| 29-512471-7 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2002-07 | 5/9 Secondary reference Joslyn Products |
| 2002-07 | 3/9 Design control — primary reference Oeco, Llc Dba Pacific Scientific Oeco |
NSN 5920-01-189-5086 is a Arrester,lightning, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-189-5086 has 1 manufacturer part number on file: 29-512471-7 (General Dynamics Mission Systems, Inc.).
Key specifications for 29-512471-7: Terminal Quantity: 2; Usage Design: OUTDOOR; Terminal Type: THREADED STUD; Overall Diameter: 0.875 INCHES NOMINAL IN. 7 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.