The Connecting Link,rigid, cataloged under National Stock Number 3040-00-003-6471, 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 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-003-6471 |
| Primary Part Number | A51B5288-13 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | CLEVIS ENDS |
| Body Width | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Body Thickness | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| 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 |
|---|---|
| A51B5288-13 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B5288-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B5288-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51B52588-13 | 3/2 Design control — primary reference U.S. Government activity |
| A51B52588-13 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 3040-00-003-6471 is a Connecting Link,rigid, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-003-6471 has 1 manufacturer part number on file: A51B5288-13 (Northrop Grumman Systems Corporation).
Key specifications for A51B5288-13: Body Construction: SOLID; Link Style: CLEVIS ENDS; Body Width: 0.500 INCHES NOMINAL IN; Overall Length: 4.730 INCHES NOMINAL IN. 5 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.