The Bell Crank, cataloged under National Stock Number 3040-00-216-2211, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-216-2211 |
| Primary Part Number | 55A40D7-1 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Length | 0.512 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 55A40D7-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 48A9H4-4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 55A40D7-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 48A9H4-4 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3040-00-216-2211 is a Bell Crank, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-216-2211 has 4 manufacturer part numbers on file: 55A40D7-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 48A9H4-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 55A40D7-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 48A9H4-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 55A40D7-1: Bore Length: 0.512 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: MATL HARDNESS 40.0 MIN AND 43.0 MAX ROCKWELL C; Bore Diameter: 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. 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.