The Wrench,open End, cataloged under National Stock Number 5120-00-710-5816, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-710-5816 |
| Primary Part Number | 1594739 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Large End Head Angle | 38.0 DEGREES NOMINAL |
| Large End Head Thickness | 0.094 INCHES NOMINAL IN |
| Small End Head Thickness | 0.094 INCHES NOMINAL IN |
| Small End Head Angle | 0.0 DEGREES NOMINAL |
| Wrenching Surface Size | 0.818 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | THIN DOUBLE HEAD |
| Wrenching Surface Shape | OVAL BOTH ENDS INTERNAL |
| Functional Description | USED TO TIGHTEN/LOOSEN SWITCH LOCKNUT |
| 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 |
NSN 5120-00-710-5816 is a Wrench,open End, 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 5120-00-710-5816 has 2 manufacturer part numbers on file: 1594739 (Bae Systems Land & Armaments L.p.), 1594739 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1594739: Large End Head Angle: 38.0 DEGREES NOMINAL; Large End Head Thickness: 0.094 INCHES NOMINAL IN; Small End Head Thickness: 0.094 INCHES NOMINAL IN; Small End Head Angle: 0.0 DEGREES NOMINAL. 9 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.