The Wrench,open End, cataloged under National Stock Number 5120-01-333-9800, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5120-01-333-9800 |
| Primary Part Number | 12577437 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Large End Head Angle | 15.0 DEGREES NOMINAL |
| Large End Head Thickness | 16.0 MILLIMETERS NOMINAL MM |
| Small End Head Thickness | 16.0 MILLIMETERS NOMINAL MM |
| Small End Head Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Size | 46.0 MILLIMETERS NOMINAL FIRST END MM |
| Wrenching Surface Size | 50.0 MILLIMETERS NOMINAL SECOND END MM |
| Style Designator | DOUBLE HEAD |
| Wrenching Surface Shape | OVAL BOTH ENDS INTERNAL |
| 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 |
|---|---|
| 12577437 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| ISO 10102 | 4/1 Identification reference International Organization for Standardization (iso) |
| 12577437 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5120-01-333-9800 is a Wrench,open End, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-333-9800 has 1 manufacturer part number on file: 12577437 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 12577437: Large End Head Angle: 15.0 DEGREES NOMINAL; Large End Head Thickness: 16.0 MILLIMETERS NOMINAL MM; Small End Head Thickness: 16.0 MILLIMETERS NOMINAL MM; Small End Head Angle: 15.0 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.