The Bit,screwdriver, cataloged under National Stock Number 5120-01-718-5168, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Qualtool Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5120-01-718-5168 |
| Primary Part Number | 250SS4SS |
| Item Name | Bit,screwdriver |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Qualtool Inc |
| Status | ACTIVE |
| Tip Size Designation | 4 |
| End Thickness | 0.032 INCHES NOMINAL IN |
| Drive Shank Type | HEXAGON |
| Specification/standard Data | 05047-ASME B107.600 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2CL1 TYPE |
| Width | 0.156 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 |
|---|---|
| 250SS4SS PRIMARY | Qualtool Inc (USA) |
| Reference | Meaning |
|---|---|
| B107.600 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.600 TY2CL1 | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-718-5168 is a Bit,screwdriver, manufactured by Qualtool Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-718-5168 has 1 manufacturer part number on file: 250SS4SS (Qualtool Inc).
Key specifications for 250SS4SS: Tip Size Designation: 4; End Thickness: 0.032 INCHES NOMINAL IN; Drive Shank Type: HEXAGON; Overall Length: 1.0 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.