The Key,socket Head Screw, cataloged under National Stock Number 5120-01-582-3873, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5120-01-582-3873 |
| Primary Part Number | WH-2MM |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ampco Partners, Ltd. Dba Ampco Safety Tools |
| Status | ACTIVE |
| Short Arm Length | 20.0 MILLIMETERS NOMINAL MM |
| Wrenching Surface Size | 2.0 MILLIMETERS NOMINAL SINGLE END MM |
| Style Designator | L-HANDLE |
| Features Provided | NONSPARKING AND NONMAGNETIC |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Material | COPPER ALLOY 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 |
|---|---|
| 01.56.73.56 | Cebeo (BEL) |
| WH-2MM PRIMARY | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| Reference | Meaning |
|---|---|
| 01.56.73.56 | 5/9 Secondary reference Vanas |
NSN 5120-01-582-3873 is a Key,socket Head Screw, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-582-3873 has 2 manufacturer part numbers on file: 01.56.73.56 (Cebeo), WH-2MM (Ampco Partners, Ltd. Dba Ampco Safety Tools).
Key specifications for WH-2MM: Short Arm Length: 20.0 MILLIMETERS NOMINAL MM; Wrenching Surface Size: 2.0 MILLIMETERS NOMINAL SINGLE END MM; Style Designator: L-HANDLE; Overall Length: 45.0 MILLIMETERS NOMINAL MM. 6 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.