The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-428-4899, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-428-4899 |
| Primary Part Number | J5346FL |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 1.438 INCHES NOMINAL SINGLE END IN |
| Style Designator | FLARE NUT |
| Specification/standard Data | 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM 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 |
|---|---|
| J5346FL PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| 5346FL | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| AS4167 TY1CL1STCDEA | 5/1 Secondary reference U.S. Government activity |
| AS4167 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5120-01-428-4899 is a Crowfoot Attachment,socket Wrenc, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-428-4899 has 1 manufacturer part number on file: J5346FL (The Stanley Works Dba Stanley Proto).
Key specifications for J5346FL: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN; Style Designator: FLARE NUT; Overall Length: 1.344 INCHES NOMINAL IN. 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.