The Arrester,electrical Surge, cataloged under National Stock Number 5920-00-033-0266, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-033-0266 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | INDOOR |
| Terminal Type | FERRULE AND WIRE LEAD |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Method | BRACKET(S) |
| Breakdown Voltage | 350.000 VOLTS MINIMUM AND 490.000 VOLTS MAXIMUM |
| Criticality Code Justification | FEAT |
| Arrester Type | AIR GAP |
| Mounting Configuration | ONE CENTER HOLE 0.285 IN. DIA IN |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | M |
| Reference | Meaning |
|---|---|
| 2301-38 | 5/9 Secondary reference Joslyn Products |
| NH27-10425-3 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 2301-38 | 5/9 Secondary reference Oeco, Llc Dba Pacific Scientific Oeco |
| 27-10425-3 | 3/2 Design control — primary reference U.S. Government activity |
| 27-10425-3 | 5/9 Secondary reference Oeco, Llc Dba Pacific Scientific Oeco |
NSN 5920-00-033-0266 is a Arrester,electrical Surge, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-752-9261, 5915-01-281-6877, 6750-01-427-2508. Verify interchangeability with system specifications before substitution.
Key specifications for 5920-00-033-0266: Terminal Quantity: 2; Usage Design: INDOOR; Terminal Type: FERRULE AND WIRE LEAD; Overall Diameter: 1.250 INCHES NOMINAL IN. 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.