The Wrench,open End, cataloged under National Stock Number 5120-01-585-8237, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-585-8237 |
| Primary Part Number | J3550 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Wrenching Surface Size | 1.562 INCHES NOMINAL SINGLE END IN |
| Style Designator | SINGLE HEAD |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Head Angle | 30.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 1GF17 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| J3550 PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| A-A-1353 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 3550 | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
NSN 5120-01-585-8237 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-585-8237 has 2 manufacturer part numbers on file: 1GF17 (W.w. Grainger, Inc. Div Government Sales Division), J3550 (The Stanley Works Dba Stanley Proto).
Key specifications for J3550: Wrenching Surface Size: 1.562 INCHES NOMINAL SINGLE END IN; Style Designator: SINGLE HEAD; Overall Length: 7.625 INCHES NOMINAL IN; Wrenching Surface Shape: OVAL SINGLE END 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.