The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-01-709-2155, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-709-2155 |
| Primary Part Number | 5570A21 |
| Item Name | Screwdriver Attachment,socket Wr |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.3125 INCHES NOMINAL SINGLE END IN |
| Style Designator | HEXAGON |
| Wrenching Surface Shape | HEXAGON SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM DRIVE SURFACE |
| Surface Treatment | OXIDE BIT |
| 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 |
|---|---|
| 5570A21 PRIMARY | Mcmaster-Carr Supply Company (USA) |
| 584213-002 | Pacific Consolidated Industries Llc (USA) |
| J49905/16ST PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
NSN 5120-01-709-2155 is a Screwdriver Attachment,socket Wr, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-709-2155 has 3 manufacturer part numbers on file: 5570A21 (Mcmaster-Carr Supply Company), 584213-002 (Pacific Consolidated Industries Llc), J49905/16ST (The Stanley Works Dba Stanley Proto).
Key specifications for 5570A21: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.3125 INCHES NOMINAL SINGLE END IN; Style Designator: HEXAGON; Overall Length: 1.812 INCHES NOMINAL IN. 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.