The Hammer,hand, cataloged under National Stock Number 5120-01-428-5183, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-428-5183 |
| Primary Part Number | 57-551 |
| Item Name | Hammer,hand |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Stanley Tools Div of Stanley Works |
| Status | ACTIVE |
| Face Diameter | 2.750 INCHES NOMINAL IN |
| Head Weight | 8.000 POUNDS LBS |
| Style Designator | SLEDGE, BLACKSMITH'S DOUBLE-FACED |
| Specification/standard Data | 05047-ASME B107.400 CAT 54 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Head Length | 7.000 INCHES NOMINAL IN |
| Handle Material | STEEL |
| Nondefinitive Spec/std Data | 1 TYPE |
| 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 |
|---|---|
| 57-551 | Stanley Tools Div of Stanley Works (USA) |
| 6R342 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| 57-551 | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| B107.400 CAT 54 TY1 | 5/1 Secondary reference U.S. Government activity |
| B107.400 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.54 | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5120-01-428-5183 is a Hammer,hand, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-428-5183 has 3 manufacturer part numbers on file: 57-551 (Stanley Tools Div of Stanley Works), 6R342 (W.w. Grainger, Inc. Div Government Sales Division), 57-551 (The Stanley Works Dba Stanley Proto).
Key specifications for 57-551: Face Diameter: 2.750 INCHES NOMINAL IN; Head Weight: 8.000 POUNDS LBS; Style Designator: SLEDGE, BLACKSMITH'S DOUBLE-FACED; Overall Length: 30.000 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.