The Connecting Link,rigid, cataloged under National Stock Number 3040-01-420-4990, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Amz Alabama Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-420-4990 |
| Primary Part Number | 4668649-000 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Body Diameter | 0.190 INCHES NOMINAL IN |
| Body Construction | SOLID |
| 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 |
|---|---|
| 4668649-000 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4668649 | 5/9 Secondary reference Bae Systems Survivability Systems Llc |
| 4668649-000 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
| 4668649-000 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 3040-01-420-4990 is a Connecting Link,rigid, manufactured by Amz Alabama Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-420-4990 has 1 manufacturer part number on file: 4668649-000 (Amz Alabama Inc.).
Key specifications for 4668649-000: Body Diameter: 0.190 INCHES NOMINAL IN; Body Construction: SOLID; Overall Length: 3.750 INCHES NOMINAL IN; End Item Identification: 2320-01-389-7558. 2 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.