The Bit,screwdriver, cataloged under National Stock Number 5120-01-604-7670, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Wiha Quality Tools. Government technical data includes 4 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. 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 | 5120-01-604-7670 |
| Primary Part Number | 28543 |
| Item Name | Bit,screwdriver |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Wiha Quality Tools |
| Status | ACTIVE |
| Tip Size Designation | 1 |
| Drive Shank Type | HEXAGON |
| Shank Width Across Wrench Flats | 0.156 INCHES NOMINAL IN |
| Tip Type | PHILLIPS CROSS |
| 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 |
|---|---|
| 28543 PRIMARY | Wiha Quality Tools (USA) |
NSN 5120-01-604-7670 is a Bit,screwdriver, manufactured by Wiha Quality Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-604-7670 has 1 manufacturer part number on file: 28543 (Wiha Quality Tools).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-633-1868. Verify interchangeability with system specifications before substitution.
Key specifications for 28543: Tip Size Designation: 1; Drive Shank Type: HEXAGON; Overall Length: 175.0 MILLIMETERS NOMINAL MM; Shank Width Across Wrench Flats: 0.156 INCHES NOMINAL IN. 4 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.