The Handle,socket Wrench, cataloged under National Stock Number 5120-01-428-4660, 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 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-428-4660 |
| Primary Part Number | 1FX34 |
| Item Name | Handle,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 |
| Style Designator | RATCHET |
| Specification/standard Data | 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS AND A STYLE |
| Drive End Shape | SQUARE SINGLE END EXTERNAL |
| 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 |
|---|---|
| 1FX34 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| J5250 | The Stanley Works Dba Stanley Proto (USA) |
| Reference | Meaning |
|---|---|
| B107.10M | 5/9 Secondary reference The American Society of Mechanical Engineers |
| AS4283 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS4283 TY1CL2 | 5/9 Secondary reference U.S. Government activity |
| B107.10M TY1CL2 | 5/9 Secondary reference U.S. Government activity |
| B107.10 TY1CL2 | 5/1 Secondary reference U.S. Government activity |
| AS4283 TY1CL2STA | 5/1 Secondary reference U.S. Government activity |
| 5250 | 5/9 Secondary reference The Stanley Works Dba Stanley Proto |
| B107.10 | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5120-01-428-4660 is a Handle,socket Wrench, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-428-4660 has 2 manufacturer part numbers on file: 1FX34 (W.w. Grainger, Inc. Div Government Sales Division), J5250 (The Stanley Works Dba Stanley Proto).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-678-7969. Verify interchangeability with system specifications before substitution.
Key specifications for 1FX34: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Style Designator: RATCHET; Overall Length: 10.00 INCHES MINIMUM AND 12.00 INCHES MAXIMUM IN; Specification/standard Data: 0U583-SAE AS4283 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.