The Harpoon Nut Wrench, cataloged under National Stock Number 5120-01-657-5216, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Harpoon Nut Wrench |
| FSC / FSG | 5120 — Hand Tools, Nonedged, Nonpowered (FSG 51) |
| Manufacturers | Ministry of Defence, Tomahawk & Harpoon Weapons Systems Ipt (thws) (CAGE KD4N3); Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (CAGE 03104) |
| Parameter | Value |
|---|---|
| NSN | 5120-01-657-5216 |
| Primary Part Number | T603984 |
| Item Name | Harpoon Nut Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| T603984 - NUT WRENCH | Ministry of Defence, Tomahawk & Harpoon Weapons Systems Ipt (thws) (GBR) |
| T603984 PRIMARY | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA) |
| Reference | Meaning |
|---|---|
| 0000-LL-TRS-1606 | 5/9 Secondary reference Dept of Defence (navy Office) |
NSN 5120-01-657-5216 is a Harpoon Nut Wrench, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-657-5216 has 2 manufacturer part numbers on file: T603984 - NUT WRENCH (Ministry of Defence, Tomahawk & Harpoon Weapons Systems Ipt (thws)), T603984 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).
No hazard code in the DLA record (HMIC N). 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.