The Key,socket Head Screw, cataloged under National Stock Number 5120-01-435-0020, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Irwin Industrial Tool Company. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-435-0020 |
| Primary Part Number | 86259 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Irwin Industrial Tool Company |
| Status | ACTIVE |
| Wrenching Surface Size | 6.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Style Designator | L-HANDLE |
| Features Provided | BALL END AND LONG SERIES |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Surface Treatment | OXIDE 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 |
|---|---|
| 86259 PRIMARY | Irwin Industrial Tool Company (USA) |
NSN 5120-01-435-0020 is a Key,socket Head Screw, manufactured by Irwin Industrial Tool Company, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-435-0020 has 1 manufacturer part number on file: 86259 (Irwin Industrial Tool Company).
Key specifications for 86259: Wrenching Surface Size: 6.0 MILLIMETERS NOMINAL BOTH ENDS MM; Style Designator: L-HANDLE; Features Provided: BALL END AND LONG SERIES; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 6 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.