The Wrench,spanner, cataloged under National Stock Number 5120-01-286-8306, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-286-8306 |
| Primary Part Number | 134-2570 |
| Item Name | Wrench,spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Supplementary Features | SOLE SOURCE JUSTIFICATION REQUIRED FOR THIS ITEM |
| Functional Description | USED TO REMOVE CATERPILLAR NO. 7W-2315 FUEL INJECTION NOZZLE RETAINER W |
| 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 |
|---|---|
| 134-2570 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 8T-3139 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 5120-01-286-8306 is a Wrench,spanner, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-286-8306 has 1 manufacturer part number on file: 134-2570 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-517-8973. Verify interchangeability with system specifications before substitution.
Key specifications for 134-2570: Supplementary Features: SOLE SOURCE JUSTIFICATION REQUIRED FOR THIS ITEM; Functional Description: USED TO REMOVE CATERPILLAR NO. 7W-2315 FUEL INJECTION NOZZLE RETAINER W; End Item Identification: CATERPILLAR 3406B, 3406C, 3408, 3408B AND 3412 ENGINES WITH P AND L FUEL SYSTEMS. 2 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.