The Wrench,box, cataloged under National Stock Number 5120-01-643-4621, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-643-4621 |
| Primary Part Number | J1061M |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Large End Head Thickness | 0.391 INCHES NOMINAL IN |
| Small End Head Thickness | 0.359 INCHES NOMINAL IN |
| Wrenching Surface Size | 15.0 MILLIMETERS NOMINAL SECOND END MM |
| Wrenching Surface Size | 14.0 MILLIMETERS NOMINAL FIRST END MM |
| Style Designator | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS AND A STYLE |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| J1061M PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| AS955 | 5/9 Secondary reference Sae International Dba Sae International |
| AS954 TY2CL1STA | 5/1 Secondary reference U.S. Government activity |
| AS955 TY2CL1STA | 5/9 Secondary reference U.S. Government activity |
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5120-01-643-4621 is a Wrench,box, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-643-4621 has 1 manufacturer part number on file: J1061M (The Stanley Works Dba Stanley Proto).
Key specifications for J1061M: Large End Head Thickness: 0.391 INCHES NOMINAL IN; Small End Head Thickness: 0.359 INCHES NOMINAL IN; Wrenching Surface Size: 15.0 MILLIMETERS NOMINAL SECOND END MM; Wrenching Surface Size: 14.0 MILLIMETERS NOMINAL FIRST END MM. 12 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.