The Connecting Link,rigid, cataloged under National Stock Number 3040-01-502-3740, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-502-3740 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Body Construction | TUBULAR |
| Link Style | STRAIGHT |
| Material | STEEL |
| Body Thickness | 0.500 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 |
| Reference | Meaning |
|---|---|
| XXDA-130 ITEM 340 X2 | 3/2 Design control — primary reference U.S. Government activity |
| XXDA-130 ITEM 341 X2 | 3/2 Design control — primary reference U.S. Government activity |
| XXDA-130 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-502-3740 is a Connecting Link,rigid, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-696-4827, 3040-01-698-2381. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-502-3740: Body Construction: TUBULAR; Link Style: STRAIGHT; Overall Length: 10.500 INCHES NOMINAL IN; End Item Identification: DOOR, WATER TIGHT QUICK ACTING. 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.