The Spanner Attachment,socket Wrench, cataloged under National Stock Number 5120-01-442-4957, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-442-4957 |
| Item Name | Spanner Attachment,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Functional Description | USED TO ADAPT TO STANDARD TORQUE WRENCH FOR MEASUREMENT OF TORQUE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| STL1885 | C/1 Advisory reference — outside the item-of-supply concept Macmillan Inc |
| STL1885 | 3/9 Design control — primary reference Snap-on Tools Corp |
NSN 5120-01-442-4957 is a Spanner Attachment,socket Wrench, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-01-442-4957: Functional Description: USED TO ADAPT TO STANDARD TORQUE WRENCH FOR MEASUREMENT OF TORQUE. 1 specification is 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.
NSN 5120-01-442-4957 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.