The Clamp,hub, cataloged under National Stock Number 3040-00-804-3830, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Interstate Electronics Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-804-3830 |
| Primary Part Number | W1120-2 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Outside Diameter | 0.343 INCHES NOMINAL IN |
| Bore Diameter | 0.1560 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.109 INCHES NOMINAL IN |
| 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 |
|---|---|
| W1120-2 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 189120-002 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-00-804-3830 is a Clamp,hub, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-804-3830 has 1 manufacturer part number on file: W1120-2 (L3harris Interstate Electronics Corporation).
Key specifications for W1120-2: Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED; Outside Diameter: 0.343 INCHES NOMINAL IN; Bore Diameter: 0.1560 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM IN. 6 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.