The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-00-045-7958, 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4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-045-7958 |
| Item Name | Screwdriver Attachment,socket Wr |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Tip Size Designation | 2 |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Style Designator | PHILLIPS (CROSS) |
| 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 |
| Reference | Meaning |
|---|---|
| 835955 | 3/9 Design control — primary reference Ordnance Supply Office |
| BP2 | 5/9 Secondary reference Trw Inc Hand Tools Div Trw Industrial Products Group |
NSN 5120-00-045-7958 is a Screwdriver Attachment,socket Wr, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4940-00-238-1193, 5910-00-930-5404, 5340-01-119-7302. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-00-045-7958: Tip Size Designation: 2; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Style Designator: PHILLIPS (CROSS); Overall Length: 3.500 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.