The Wrench,box, cataloged under National Stock Number 5120-01-129-4600, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-129-4600 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Large End Head Thickness | 0.406 INCHES NOMINAL IN |
| Small End Head Thickness | 0.110 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Large End Outside Diameter | 0.875 INCHES NOMINAL IN |
| Wrenching Surface Size | 0.562 INCHES NOMINAL FIRST END IN |
| Wrenching Surface Size | 0.625 INCHES NOMINAL SECOND END IN |
| Style Designator | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| Small End Outside Diameter | 0.812 INCHES NOMINAL IN |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Shape | SPLINE BOTH ENDS INTERNAL |
| Wrenching Surface Flute Quantity | 12 |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 16A12070L1-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5120-01-129-4600 is a Wrench,box, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-01-129-4600: Large End Head Thickness: 0.406 INCHES NOMINAL IN; Small End Head Thickness: 0.110 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Large End Outside Diameter: 0.875 INCHES NOMINAL IN; Wrenching Surface Size: 0.562 INCHES NOMINAL FIRST END IN. 11 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.