The Wrench,box, cataloged under National Stock Number 5120-00-293-3124, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-293-3124 |
| Primary Part Number | B057306-1 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc |
| Status | ACTIVE |
| Large End Head Thickness | 0.375 INCHES NOMINAL IN |
| Small End Head Thickness | 0.375 INCHES NOMINAL IN |
| Large End Outside Diameter | 2.000 INCHES NOMINAL IN |
| Wrenching Surface Size | 0.938 INCHES NOMINAL FIRST END IN |
| Wrenching Surface Size | 1.500 INCHES NOMINAL SECOND END IN |
| Style Designator | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| Small End Outside Diameter | 1.375 INCHES NOMINAL IN |
| Wrenching End Offset Angle | 30.0 DEGREES NOMINAL |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| 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 |
|---|---|
| B057306-1 PRIMARY | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| Reference | Meaning |
|---|---|
| B057306-1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B057306ISSUE1GP1 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| B057306-1 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| B057306ISSUE1GP1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B057306-1 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
NSN 5120-00-293-3124 is a Wrench,box, manufactured by Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-293-3124 has 1 manufacturer part number on file: B057306-1 (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc).
Key specifications for B057306-1: Large End Head Thickness: 0.375 INCHES NOMINAL IN; Small End Head Thickness: 0.375 INCHES NOMINAL IN; Large End Outside Diameter: 2.000 INCHES NOMINAL IN; Wrenching Surface Size: 0.938 INCHES NOMINAL FIRST END IN. 10 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.