The Wrench,open End Box, cataloged under National Stock Number 5120-00-262-9769, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-262-9769 |
| Primary Part Number | 378727 |
| Item Name | Wrench,open End Box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Wrenching Surface Size | 0.688 INCHES NOMINAL SECOND END IN |
| Wrenching Surface Size | 0.625 INCHES NOMINAL FIRST END IN |
| Style Designator | PACKING NUT DOUBLE END |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Surface Treatment | CHROMIUM AND NICKEL AND OXIDE OVERALL |
| Material | STEEL 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 |
|---|---|
| 378727 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5120-00-262-9769 is a Wrench,open End Box, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-262-9769 has 1 manufacturer part number on file: 378727 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 378727: Wrenching Surface Size: 0.688 INCHES NOMINAL SECOND END IN; Wrenching Surface Size: 0.625 INCHES NOMINAL FIRST END IN; Style Designator: PACKING NUT DOUBLE END; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL. 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.