The Connecting Link,rigid, cataloged under National Stock Number 3040-01-128-4265, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-128-4265 |
| Primary Part Number | 74J668000-111 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Body Diameter | 1.375 INCHES NOMINAL IN |
| Body Construction | TUBULAR |
| Link Style | TUBULAR SHANK |
| Criticality Code Justification | FEAT |
| Material Document and Classification | QQ-A-225/12, TEMPER T7351 INVALID FED SPEC SINGLE MATERIAL RESPONSE |
| End Attachment Hole Diameter | 0.438 INCHES NOMINAL FIRST END IN |
| End Attachment Hole Diameter | 0.625 INCHES NOMINAL SECOND END IN |
| End Attachment Width | 0.450 INCHES NOMINAL FIRST END IN |
| End Attachment Length | 4.000 INCHES NOMINAL SECOND END IN |
| End Attachment Length | 3.500 INCHES NOMINAL FIRST END IN |
| Material | ALUMINUM ALLOY |
| End Attachment Fork Width | 1.281 INCHES NOMINAL SECOND END 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 |
|---|---|
| 4715-3 | Tyee Aircraft Inc Div Tyee Aircraft (USA) |
| 74J668000-111 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| SR11574A111 | 5/9 Secondary reference U.S. Government activity |
| 10106842 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-128-4265 is a Connecting Link,rigid, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-128-4265 has 2 manufacturer part numbers on file: 4715-3 (Tyee Aircraft Inc Div Tyee Aircraft), 74J668000-111 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-317-7518, 5340-01-728-5817. Verify interchangeability with system specifications before substitution.
Key specifications for 74J668000-111: Body Diameter: 1.375 INCHES NOMINAL IN; Body Construction: TUBULAR; Link Style: TUBULAR SHANK; Criticality Code Justification: FEAT. 12 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.