The Wrench,spanner, cataloged under National Stock Number 5120-01-043-4543, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-043-4543 |
| Primary Part Number | HP973AT4 |
| Item Name | Wrench,spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Opening Diameter | 0.070 INCHES NOMINAL IN |
| Drive Surface Size | 1.125 INCHES NOMINAL SINGLE END IN |
| Style Designator | TUBULAR LUG |
| Features Provided | REMOVABLE HANDLE |
| Lug Width | 0.010 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HP973AT4 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP973AT4 | 5/9 Secondary reference U.S. Government activity |
NSN 5120-01-043-4543 is a Wrench,spanner, manufactured by Tactair Fluid Controls Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-043-4543 has 1 manufacturer part number on file: HP973AT4 (Tactair Fluid Controls Inc).
Key specifications for HP973AT4: Opening Diameter: 0.070 INCHES NOMINAL IN; Drive Surface Size: 1.125 INCHES NOMINAL SINGLE END IN; Style Designator: TUBULAR LUG; Overall Length: 8.000 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
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.