The Absorber,overvoltage, cataloged under National Stock Number 5920-01-509-4779, 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 Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-509-4779 |
| Primary Part Number | WM-3081-12-SS |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| Status | ACTIVE |
| Overall Diameter | 2.625 INCHES NOMINAL IN |
| Polarization Feature | NOT INCLUDED |
| Shunt Capacitor | NOT INCLUDED |
| Material | STEEL CORROSION RESISTING ELEMENT |
| 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 |
|---|---|
| WM-3081-12-SS PRIMARY | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd (USA) |
| Reference | Meaning |
|---|---|
| WM-3081-12-SS-MEPR | 5/9 Secondary reference Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| WM S2 | D/9 Drawing number reference only Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
NSN 5920-01-509-4779 is a Absorber,overvoltage, manufactured by Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-509-4779 has 1 manufacturer part number on file: WM-3081-12-SS (Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd).
Key specifications for WM-3081-12-SS: Overall Height: 4.375 INCHES NOMINAL IN; Overall Diameter: 2.625 INCHES NOMINAL IN; Polarization Feature: NOT INCLUDED; Overall Length: 8.130 INCHES NOMINAL IN. 4 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.