The Socket,socket Wrench, cataloged under National Stock Number 5120-01-400-0331, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 — Hand Tools, Nonedged, Nonpowered (FSG 51) |
| Manufacturers | W.w. Grainger, Inc. Div Government Sales Division (CAGE 25795); The Stanley Works Dba Stanley Proto (CAGE 1CV05) |
| Parameter | Value |
|---|---|
| NSN | 5120-01-400-0331 |
| Primary Part Number | 1AL52 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Style Designator | UNIVERSAL JOINT |
| Features Provided | MANUAL TOOL |
| Specification/standard Data | 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 3 TYPE |
| Wrenching Surface Shape | 6 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 |
|---|---|
| 1AL52 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| J5273H | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| B107.1 TY3 | 5/9 Secondary reference U.S. Government activity |
| B107.1 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.110 CAT 1 TY3 | 5/1 Secondary reference U.S. Government activity |
| 5273H | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| B107.110 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5120-01-400-0331 is a Socket,socket Wrench, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-400-0331 has 2 manufacturer part numbers on file: 1AL52 (W.w. Grainger, Inc. Div Government Sales Division), J5273H (The Stanley Works Dba Stanley Proto).
Key specifications for 1AL52: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Style Designator: UNIVERSAL JOINT; Overall Length: 1.812 INCHES NOMINAL IN. 10 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.