The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-296-0178, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5920-01-296-0178 |
| Primary Part Number | 1551AS748-2 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Unpackaged Unit Weight | 500.0 GRAMS NOMINAL G |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | THREADED STUD |
| Mounting Method | HOLE |
| Breakdown Voltage | 400.000 VOLTS NOMINAL |
| Arrester Type | SOLID STATE |
| Mounting Configuration | TW0 0.169 IN. DIA MTG HOLES SPACED 3.500 IN. C TO C 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 |
|---|---|
| 587B151 | Protek Devices Lp Dba Protek Devices (USA) |
| 1551AS748-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 587B151 | 5/9 Secondary reference General Semiconductor Industries Inc |
NSN 5920-01-296-0178 is a Arrester,electrical Surge, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-296-0178 has 2 manufacturer part numbers on file: 587B151 (Protek Devices Lp Dba Protek Devices), 1551AS748-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1551AS748-2: Overall Height: 2.500 INCHES NOMINAL IN; Unpackaged Unit Weight: 500.0 GRAMS NOMINAL G; Terminal Quantity: 2; Usage Design: OUTDOOR. 8 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.