The Wrench,open End, cataloged under National Stock Number 5120-01-654-1881, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-654-1881 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Wrenching Surface Size | 0.5625 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 1.125 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Head Angle | 15.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM |
| Head Thickness | 0.156 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 27-918 | 3/9 Design control — primary reference Apex Tool Group, Llc Dba Nicholson |
NSN 5120-01-654-1881 is a Wrench,open End, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-01-654-1881: Wrenching Surface Size: 0.5625 INCHES NOMINAL BOTH ENDS IN; Opening Width: 1.125 INCHES NOMINAL IN; Overall Length: 5.437 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL. 5 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.