The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-121-8022, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-121-8022 |
| Primary Part Number | 2938709-1 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | INDOOR AND OUTDOOR |
| Terminal Type | THREADED STUD |
| Overall Diameter | 0.620 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Breakdown Voltage | 2.700 KILOVOLTS MINIMUM AND 3.300 KILOVOLTS MAXIMUM |
| Mounting Configuration | TWO AXIAL STUDS 0.630 IN. MAX LENGTH WITH 0.250-28 THDS PER IN. 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 |
|---|---|
| 2938709-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| UBD267-3.0 | Cp Clare Corp Affil of Theta-J Corp (USA) |
| Reference | Meaning |
|---|---|
| UBD267-3.0 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
NSN 5920-01-121-8022 is a Arrester,electrical Surge, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-121-8022 has 2 manufacturer part numbers on file: 2938709-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), UBD267-3.0 (Cp Clare Corp Affil of Theta-J Corp).
Key specifications for 2938709-1: Terminal Quantity: 2; Usage Design: INDOOR AND OUTDOOR; Terminal Type: THREADED STUD; Overall Diameter: 0.620 INCHES MAXIMUM 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.