The Connecting Link,rigid, cataloged under National Stock Number 3040-01-128-2405, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-128-2405 |
| Primary Part Number | 74A635604-2001 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | STRAIGHT |
| Body Width | 0.880 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Body Thickness | 0.375 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 |
|---|---|
| 74A635604-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A635604-2001 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 10106839 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A635604 | D/9 Drawing number reference only The Boeing Company Div Defense |
| PL74A635604 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 3040-01-128-2405 is a Connecting Link,rigid, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-128-2405 has 2 manufacturer part numbers on file: 74A635604-2001 (The Boeing Company Div Defense), 74A635604-2001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 74A635604-2001: Body Construction: SOLID; Link Style: STRAIGHT; Body Width: 0.880 INCHES NOMINAL IN; Overall Length: 4.453 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.