The Wrench,open End, cataloged under National Stock Number 5120-01-207-5210, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Ampco Partners, Ltd. Dba Ampco Safety Tools. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5120-01-207-5210 |
| Primary Part Number | 420 2546 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ampco Partners, Ltd. Dba Ampco Safety Tools |
| Status | ACTIVE |
| Torque Capacity | 5300.0 INCH-GRAMS NOMINAL IN |
| Wrenching Surface Size | 55.0 MILLIMETERS NOMINAL SINGLE END MM |
| Style Designator | SINGLE HEAD, SLUGGING |
| Features Provided | NONMAGNETIC AND NONSPARKING |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Head Angle | 15.0 DEGREES NOMINAL |
| Material | COPPER ALLOY OVERALL |
| Head Thickness | 27.8 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 420 2546 PRIMARY | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| Reference | Meaning |
|---|---|
| 420 2546 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 5120-01-207-5210 is a Wrench,open End, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-207-5210 has 1 manufacturer part number on file: 420 2546 (Ampco Partners, Ltd. Dba Ampco Safety Tools).
Key specifications for 420 2546: Torque Capacity: 5300.0 INCH-GRAMS NOMINAL IN; Wrenching Surface Size: 55.0 MILLIMETERS NOMINAL SINGLE END MM; Style Designator: SINGLE HEAD, SLUGGING; Overall Length: 730.0 MILLIMETERS NOMINAL MM. 8 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.