The Bit,screwdriver, cataloged under National Stock Number 5120-01-397-3133, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-397-3133 |
| Item Name | Bit,screwdriver |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Tip Size Designation | 1/4 |
| Drive Shank Type | HEXAGON |
| Shank Width Across Wrench Flats | 0.312 INCHES NOMINAL IN |
| Tip Type | TORQUE SET CROSS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| T16B15 | C/1 Advisory reference — outside the item-of-supply concept Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| T16B15 | 3/9 Design control — primary reference Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division |
NSN 5120-01-397-3133 is a Bit,screwdriver, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-01-397-3133: Tip Size Designation: 1/4; Drive Shank Type: HEXAGON; Overall Length: 1.250 INCHES NOMINAL IN; Shank Width Across Wrench Flats: 0.312 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.