The Connecting Link,rigid, cataloged under National Stock Number 3040-01-278-8754, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-278-8754 |
| Primary Part Number | 5219887-4 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Construction | SOLID |
| Body Width | 2.500 INCHES NOMINAL IN |
| Material | STEEL |
| Body Thickness | 1.000 INCHES NOMINAL 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 |
|---|---|
| 5219887-4 PRIMARY | Naval Sea Systems Command (USA) |
| 5219887-4 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 5219887-2 | 5/9 Secondary reference Naval Sea Systems Command |
| 5219887-2 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 5219887 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-278-8754 is a Connecting Link,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-278-8754 has 2 manufacturer part numbers on file: 5219887-4 (Naval Sea Systems Command), 5219887-4 (Lockheed Martin Corporation Div Rotary and Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-278-9938. Verify interchangeability with system specifications before substitution.
Key specifications for 5219887-4: Body Construction: SOLID; Body Width: 2.500 INCHES NOMINAL IN; Overall Length: 42.380 INCHES NOMINAL IN; 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.