The Connecting Link,rigid, cataloged under National Stock Number 3040-00-050-7747, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-050-7747 |
| Primary Part Number | 6-40678-1 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | EYE ENDS |
| Body Width | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Body Thickness | 0.240 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 | F |
| Part Number | Manufacturer |
|---|---|
| 6-40678-1 | Aerometals, Inc. (USA) |
| 6-40678-1 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 6-40678-1 | Johnson Manufacturing, Inc. Dba Johnson Manufacturing (USA) |
| 6-40678-1 | Northrop Grumman Systems Corporation (USA) |
| 6-40678-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 6-40678-1 | Perez Machine, Inc. Dba Perez Machine Inc (USA) |
| 6-40678-1 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 6-40678-1 | Hdi Landing Gear Usa Inc (USA) |
| 6-40678-1 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 6-40678-1 | Machine Specialties, Llc (USA) |
| 6-40678-1 | Machining Logistics, Inc. Dba Machining Logistics Inc (USA) |
| Reference | Meaning |
|---|---|
| 6-40678-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 3040-00-050-7747 is a Connecting Link,rigid, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-050-7747 has 11 manufacturer part numbers on file: 6-40678-1 (Aerometals, Inc.), 6-40678-1 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 6-40678-1 (Johnson Manufacturing, Inc. Dba Johnson Manufacturing), 6-40678-1 (Northrop Grumman Systems Corporation), 6-40678-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems) and 6 more.
Key specifications for 6-40678-1: Body Construction: SOLID; Link Style: EYE ENDS; Body Width: 0.250 INCHES NOMINAL IN; Overall Length: 3.530 INCHES NOMINAL IN. 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.