The Absorber,overvoltage, cataloged under National Stock Number 5920-01-313-3179, 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 Protek Devices Lp Dba Protek Devices. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Protek Devices Lp Dba Protek Devices (CAGE 0U8A3) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-313-3179 |
| Primary Part Number | GZ-54812C |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Protek Devices Lp Dba Protek Devices |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| GZ-54812C PRIMARY | Protek Devices Lp Dba Protek Devices (USA) |
| Reference | Meaning |
|---|---|
| GZ-55230B | 5/9 Secondary reference Protek Devices Lp Dba Protek Devices |
| GZ-54812C | 5/9 Secondary reference General Semiconductor Industries Inc |
| ES4621-01 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| ES4621-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| ES4621-01 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5920-01-313-3179 is a Absorber,overvoltage, manufactured by Protek Devices Lp Dba Protek Devices, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-313-3179 has 1 manufacturer part number on file: GZ-54812C (Protek Devices Lp Dba Protek Devices).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-325-9931. Verify interchangeability with system specifications before substitution.
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.