The Wrench,socket, cataloged under National Stock Number 5120-00-211-6331, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Heil Environmental Industries. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-211-6331 |
| Primary Part Number | 3256K11 |
| Item Name | Wrench,socket |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Heil Environmental Industries |
| Status | ACTIVE |
| Wrenching Surface Size | 1.620 INCHES NOMINAL SINGLE END IN |
| Style Designator | DOUBLE SOCKET T |
| Wrenching Surface Shape | ROUND SINGLE END INTERNAL |
| 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 |
|---|---|
| 3256K11 PRIMARY | Heil Environmental Industries (USA) |
| 3256-K-11-S | Meritor Heavy Vehicle Systems, Llc (USA) |
NSN 5120-00-211-6331 is a Wrench,socket, manufactured by Heil Environmental Industries, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-211-6331 has 2 manufacturer part numbers on file: 3256K11 (Heil Environmental Industries), 3256-K-11-S (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 3256K11: Wrenching Surface Size: 1.620 INCHES NOMINAL SINGLE END IN; Style Designator: DOUBLE SOCKET T; Overall Length: 2.380 INCHES NOMINAL IN; Wrenching Surface Shape: ROUND SINGLE END INTERNAL. 3 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.