The Socket,socket Wrench, cataloged under National Stock Number 5120-01-104-5339, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Snap on Uk Holdings Ltd T/a Snap on Tools. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-104-5339 |
| Primary Part Number | TES-12 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Snap on Uk Holdings Ltd T/a Snap on Tools |
| Status | ACTIVE |
| Drive Surface Size | 0.250 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Wrenching End Outside Diameter | 0.545 INCHES MAXIMUM IN |
| Style Designator | INTERNAL-INTERNAL |
| Wrenching Surface Shape | SPLINE SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Wrenching Surface Flute Quantity | 12 |
| Wrenching End Opening Depth | 0.343 INCHES MINIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Drive End Outside Diameter | 0.545 INCHES MAXIMUM IN |
| 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 |
|---|---|
| TES-12 | Snap on Uk Holdings Ltd T/a Snap on Tools (GBR) |
| Reference | Meaning |
|---|---|
| MIL-W-8982 | 4/1 Identification reference U.S. Government activity |
| M8982/1-122RB | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-104-5339 is a Socket,socket Wrench, manufactured by Snap on Uk Holdings Ltd T/a Snap on Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-104-5339 has 1 manufacturer part number on file: TES-12 (Snap on Uk Holdings Ltd T/a Snap on Tools).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-367-3165. Verify interchangeability with system specifications before substitution.
Key specifications for TES-12: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 0.545 INCHES MAXIMUM IN; Style Designator: INTERNAL-INTERNAL. 11 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.