The Socket,socket Wrench, cataloged under National Stock Number 5120-01-428-4864, 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 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-428-4864 |
| Primary Part Number | J5325M |
| Item Name | Socket,socket Wrench |
| 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 |
| Drive Surface Size | 0.50 INCHES NOMINAL FIRST END IN |
| Wrenching Surface Size | 15.0 MILLIMETERS NOMINAL FIRST END MM |
| Wrenching Surface Size | 25.0 MILLIMETERS NOMINAL SINGLE END MM |
| Style Designator | INTERNAL-INTERNAL |
| Features Provided | MANUAL TOOL |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND B STYLE |
| 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 |
|---|---|
| J5325M | The Stanley Works Dba Stanley Proto (USA) |
| 1AN66 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| AS955 | 5/9 Secondary reference U.S. Government activity |
| AS955 TY1CL1STC | 5/9 Secondary reference U.S. Government activity |
| AS955 | 5/9 Secondary reference Sae International Dba Sae International |
| 5325M | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| AS954 TY1CL1STB | 5/1 Secondary reference U.S. Government activity |
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5120-01-428-4864 is a Socket,socket Wrench, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-428-4864 has 2 manufacturer part numbers on file: J5325M (The Stanley Works Dba Stanley Proto), 1AN66 (W.w. Grainger, Inc. Div Government Sales Division).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-652-1034. Verify interchangeability with system specifications before substitution.
Key specifications for J5325M: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Drive Surface Size: 0.50 INCHES NOMINAL FIRST END IN; Wrenching Surface Size: 15.0 MILLIMETERS NOMINAL FIRST END MM; Wrenching Surface Size: 25.0 MILLIMETERS NOMINAL SINGLE END MM. 12 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.