The Connecting Link,rigid, cataloged under National Stock Number 3040-00-336-1746, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-336-1746 |
| Primary Part Number | S1520-61603-0 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | STRAIGHT |
| Body Width | 0.820 INCHES NOMINAL IN |
| Material | STEEL |
| Body Thickness | 0.361 INCHES MINIMUM AND 0.366 INCHES MAXIMUM 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 |
|---|---|
| S1520-61603 | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| S1520-61603 | Airbus Deutschland Gmbh -Werk Bremen- (DEU) |
| S1520-61603-0 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| A1520-61603 | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
NSN 3040-00-336-1746 is a Connecting Link,rigid, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-336-1746 has 4 manufacturer part numbers on file: S1520-61603 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp), S1520-61603 (Airbus Deutschland Gmbh -Werk Bremen-), S1520-61603-0 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), A1520-61603 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp).
Key specifications for S1520-61603-0: Body Construction: SOLID; Link Style: STRAIGHT; Body Width: 0.820 INCHES NOMINAL IN; Overall Length: 2.570 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.