The Wrench,box and Open End Box,comb, cataloged under National Stock Number 5120-01-688-9393, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5120-01-688-9393 |
| Primary Part Number | J1205EFS |
| Item Name | Wrench,box and Open End Box,comb |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Wrenching Surface Size | 0.156 INCHES NOMINAL FIRST END IN |
| Opening Width | 0.312 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Specification/standard Data | 05047-ASME B107.100 CAT6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 STYLE |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| Head Thickness | 0.140 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 |
|---|---|
| 1205EFS | Kipper Tool Company Dba Kipper Management Inc (USA) |
| J1205EFS PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| B107.100 CAT6 ST1 | 5/1 Secondary reference U.S. Government activity |
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5120-01-688-9393 is a Wrench,box and Open End Box,comb, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-688-9393 has 2 manufacturer part numbers on file: 1205EFS (Kipper Tool Company Dba Kipper Management Inc), J1205EFS (The Stanley Works Dba Stanley Proto).
Key specifications for J1205EFS: Wrenching Surface Size: 0.156 INCHES NOMINAL FIRST END IN; Opening Width: 0.312 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN; Overall Length: 2.906 INCHES NOMINAL IN; Specification/standard Data: 05047-ASME B107.100 CAT6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 7 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.