The Connecting Link,rigid, cataloged under National Stock Number 3040-00-166-0581, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3040-00-166-0581 |
| Primary Part Number | 89574-4 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Body Construction | TUBULAR |
| Link Style | VERTICAL OFFSET |
| Material | STEEL |
| 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 |
|---|---|
| 89574-4 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3040-00-166-0581 is a Connecting Link,rigid, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-166-0581 has 1 manufacturer part number on file: 89574-4 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-044-7276. Verify interchangeability with system specifications before substitution.
Key specifications for 89574-4: Body Diameter: 0.500 INCHES NOMINAL IN; Body Construction: TUBULAR; Link Style: VERTICAL OFFSET; Material: STEEL. 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.