The Wrench,open End, cataloged under National Stock Number 5120-00-221-9686, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-221-9686 |
| Primary Part Number | A51S62240-1 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Wrenching Surface Size | 1.875 INCHES NOMINAL SINGLE END IN |
| Style Designator | SINGLE HEAD |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Head Thickness | 0.090 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 |
| Part Number | Manufacturer |
|---|---|
| A51S62240-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51S62240-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51S62240-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5120-00-221-9686 is a Wrench,open End, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-221-9686 has 1 manufacturer part number on file: A51S62240-1 (Northrop Grumman Systems Corporation).
Key specifications for A51S62240-1: Wrenching Surface Size: 1.875 INCHES NOMINAL SINGLE END IN; Style Designator: SINGLE HEAD; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Surface Treatment: CADMIUM OVERALL. 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.