The Socket,socket Wrench, cataloged under National Stock Number 5120-01-428-4716, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-428-4716 |
| Primary Part Number | 1FX31 |
| 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 | 0.812 INCHES NOMINAL SINGLE END IN |
| Style Designator | UNIVERSAL JOINT |
| Features Provided | MANUAL TOOL |
| Specification/standard Data | 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS |
| 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 |
|---|---|
| 1FX31 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| J5280T | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS954 | 5/9 Secondary reference U.S. Government activity |
| 5280T | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| B107.1 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.1 TY3 | 5/9 Secondary reference U.S. Government activity |
| AS954 TY1CL2 | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-428-4716 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 5120-01-428-4716 has 2 manufacturer part numbers on file: 1FX31 (W.w. Grainger, Inc. Div Government Sales Division), J5280T (The Stanley Works Dba Stanley Proto).
Key specifications for 1FX31: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.812 INCHES NOMINAL SINGLE END IN; Style Designator: UNIVERSAL JOINT; Overall Length: 1.938 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.