The Socket,socket Wrench, cataloged under National Stock Number 5120-01-654-6781, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-654-6781 |
| Primary Part Number | FDS201 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.625 INCHES NOMINAL SINGLE END IN |
| Wrenching End Outside Diameter | 0.844 INCHES NOMINAL IN |
| 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 |
| Wrenching End Opening Depth | 0.406 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Drive End Outside Diameter | 0.797 INCHES NOMINAL IN |
| 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 |
|---|---|
| FDS201 PRIMARY | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| Reference | Meaning |
|---|---|
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS954 TY1CL1STB | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-654-6781 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-654-6781 has 1 manufacturer part number on file: FDS201 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
Key specifications for FDS201: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 0.844 INCHES NOMINAL IN; Style Designator: INTERNAL-INTERNAL. 13 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.