The Screw,jacking, cataloged under National Stock Number 5120-01-108-9652, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-108-9652 |
| Primary Part Number | 845-4558709 ITEM 40 |
| Item Name | Screw,jacking |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ITEM 40-1 AND 40-2,SPECIAL TOOL DEVELOPED FOR USE ON TRIDENT SUBMARINE |
| 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 |
|---|---|
| 845-4558709 ITEM 40 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1091-40 | 5/9 Secondary reference Drw Mfg Co |
| 2640-682-05 ITEM 40 | 5/2 Secondary reference U.S. Government activity |
| 845-4687720 ITEM 40 | 3/2 Design control — primary reference U.S. Government activity |
| 4687720-0040 | 5/2 Secondary reference U.S. Government activity |
NSN 5120-01-108-9652 is a Screw,jacking, manufactured by Naval Sea Systems Command, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-108-9652 has 1 manufacturer part number on file: 845-4558709 ITEM 40 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-192-5291. Verify interchangeability with system specifications before substitution.
Key specifications for 845-4558709 ITEM 40: General Characteristics Item Description: CONSISTS OF ITEM 40-1 AND 40-2,SPECIAL TOOL DEVELOPED FOR USE ON TRIDENT SUBMARINE. 1 specification is 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.