The Bell Crank, cataloged under National Stock Number 3040-01-153-1608, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-153-1608 |
| Primary Part Number | 123-4642962 ITEM 1 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 8.500 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball | 22.000 INCHES NOMINAL SECOND END IN |
| End Hole/ball Diameter | 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM SECOND END IN |
| End Hole/ball Diameter | 2.250 INCHES MINIMUM AND 2.251 INCHES MAXIMUM FIRST END IN |
| Bore Length | 6.894 INCHES NOMINAL IN |
| Style Designator | RAISED FACE PIVOT AND END HOLES |
| Bore Diameter | 3.000 INCHES MINIMUM AND 3.001 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123-4642962 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4642962 | D/9 Drawing number reference only U.S. Government activity |
| 87434-2503 ITEM 1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-153-1608 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-153-1608 has 1 manufacturer part number on file: 123-4642962 ITEM 1 (Naval Sea Systems Command).
Key specifications for 123-4642962 ITEM 1: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 8.500 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 22.000 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM SECOND END IN; End Hole/ball Diameter: 2.250 INCHES MINIMUM AND 2.251 INCHES MAXIMUM FIRST END IN. 8 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.
NSN 3040-01-153-1608 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.