The Connecting Link,rigid, cataloged under National Stock Number 3040-01-210-6594, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rotair Aerospace Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-210-6594 |
| Primary Part Number | 70500-02151-101 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | ANGLED |
| Body Width | 0.310 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND PAINT AND PRIMER |
| 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 |
|---|---|
| 70500-02151-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70500-02151-101 PRIMARY | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 70500-02151 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 3040-01-210-6594 is a Connecting Link,rigid, manufactured by Rotair Aerospace Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-210-6594 has 2 manufacturer part numbers on file: 70500-02151-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70500-02151-101 (Rotair Aerospace Corp).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-210-6595. Verify interchangeability with system specifications before substitution.
Key specifications for 70500-02151-101: Body Construction: SOLID; Link Style: ANGLED; Body Width: 0.310 INCHES NOMINAL IN; Special Features: NHA TROOP SEAT ASSY. 4 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.