The Socket,socket Wrench, cataloged under National Stock Number 5130-01-520-9330, is classified within Federal Supply Class 5130 (Hand Tools, Power Driven) of the Hand Tools group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5130-01-520-9330 |
| Primary Part Number | 3945557 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5130 / 51 — Hand Tools, Power Driven |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Wrenching End Outside Diameter | 5.250 INCHES NOMINAL IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Functional Description | USED TO INSTALL/REMOVE BEARING NUT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 3945557 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3945557 | 5/9 Secondary reference Oshkosh Corp |
| 3335074 | 5/9 Secondary reference Oshkosh Corp |
NSN 5130-01-520-9330 is a Socket,socket Wrench, manufactured by Oshkosh Defense Llc, classified under FSC 5130, Hand Tools, Power Driven. Status: active.
NSN 5130-01-520-9330 has 1 manufacturer part number on file: 3945557 (Oshkosh Defense Llc).
Key specifications for 3945557: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 5.250 INCHES NOMINAL IN; Overall Length: 3.375 INCHES NOMINAL IN; Drive End Shape: SQUARE SINGLE END INTERNAL. 5 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.