The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-326-2665, 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 L E a International Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-326-2665 |
| Primary Part Number | TE(HF)-50B-20 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | L E a International Inc |
| Status | ACTIVE |
| Usage Design | INDOOR |
| Breakdown Voltage | 50.000 VOLTS NOMINAL |
| 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 |
|---|---|
| 046-00-0190 | L E a International Inc (USA) |
| TE(HF)-50B-20 PRIMARY | L E a International Inc (USA) |
| Reference | Meaning |
|---|---|
| TE(HF)-50B | 5/9 Secondary reference L E a International Inc |
NSN 5920-01-326-2665 is a Arrester,electrical Surge, manufactured by L E a International Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-326-2665 has 2 manufacturer part numbers on file: 046-00-0190 (L E a International Inc), TE(HF)-50B-20 (L E a International Inc).
Key specifications for TE(HF)-50B-20: Usage Design: INDOOR; Breakdown Voltage: 50.000 VOLTS NOMINAL; Overall Length: 3.600 INCHES NOMINAL IN; Overall Width: 1.500 INCHES NOMINAL IN. 2 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.