The Socket,socket Wrench, cataloged under National Stock Number 5120-01-339-3069, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Mirada Research & Manufacturing, Inc.. Government technical data includes 10 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 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 | 5120-01-339-3069 |
| Primary Part Number | B-51025 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Mirada Research & Manufacturing, Inc. |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 1.375 INCHES NOMINAL SINGLE END IN |
| Wrenching End Outside Diameter | 1.760 INCHES NOMINAL IN |
| Style Designator | INTERNAL-INTERNAL |
| Features Provided | MANUAL TOOL |
| Wrenching Surface Shape | 6 POINT SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Wrenching End Opening Depth | 0.625 INCHES NOMINAL IN |
| Drive End Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material | PLASTIC 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 |
|---|---|
| B-51025 PRIMARY | Mirada Research & Manufacturing, Inc. (USA) |
NSN 5120-01-339-3069 is a Socket,socket Wrench, manufactured by Mirada Research & Manufacturing, Inc., classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-339-3069 has 1 manufacturer part number on file: B-51025 (Mirada Research & Manufacturing, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5180-01-664-8377. Verify interchangeability with system specifications before substitution.
Key specifications for B-51025: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 1.375 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 1.760 INCHES NOMINAL IN; Style Designator: INTERNAL-INTERNAL. 10 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.