The Connecting Link,rigid, cataloged under National Stock Number 3040-01-173-2141, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Tyee Aircraft Inc Div Tyee Aircraft. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-173-2141 |
| Primary Part Number | 6025-1 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Tyee Aircraft Inc Div Tyee Aircraft |
| Status | ACTIVE |
| Body Diameter | 1.625 INCHES NOMINAL IN |
| Body Construction | TUBULAR |
| Link Style | TUBULAR SHANK |
| End Attachment Hole Diameter | 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM FIRST END IN |
| End Attachment Width | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST END IN |
| End Attachment Style | EYE FIRST END |
| End Attachment Length | 2.334 INCHES MINIMUM AND 2.354 INCHES MAXIMUM FIRST END IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6025-1 PRIMARY | Tyee Aircraft Inc Div Tyee Aircraft (USA) |
| A-AH64001-11 | Rbc Aerostructures Llc (USA) |
| 7-211524001-11 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-211524001-11 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| SR11842A11 | 3/2 Design control — primary reference U.S. Government activity |
| 55080-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-173-2141 is a Connecting Link,rigid, manufactured by Tyee Aircraft Inc Div Tyee Aircraft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-173-2141 has 3 manufacturer part numbers on file: 6025-1 (Tyee Aircraft Inc Div Tyee Aircraft), A-AH64001-11 (Rbc Aerostructures Llc), 7-211524001-11 (The Boeing Company).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-309-4327, 5365-01-576-7033, 5850-01-679-5946. Verify interchangeability with system specifications before substitution.
Key specifications for 6025-1: Body Diameter: 1.625 INCHES NOMINAL IN; Body Construction: TUBULAR; Link Style: TUBULAR SHANK; Overall Length: 76.221 INCHES MINIMUM AND 76.281 INCHES MAXIMUM IN. 8 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.
NSN 3040-01-173-2141 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.