The Bell Crank, cataloged under National Stock Number 3040-01-172-9457, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-172-9457 |
| Primary Part Number | 12178-15 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. |
| Status | ACTIVE |
| Criticality Code Justification | ABXV |
| Bore Diameter | 0.498 INCHES MINIMUM AND 0.502 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 | F |
| Part Number | Manufacturer |
|---|---|
| 12178-15 PRIMARY | Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12178-15 | C/1 Advisory reference — outside the item-of-supply concept Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 12178-15 | 5/9 Secondary reference Ami Industries, Inc Div Utc Aerospace Systems |
NSN 3040-01-172-9457 is a Bell Crank, manufactured by Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-172-9457 has 1 manufacturer part number on file: 12178-15 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.).
Key specifications for 12178-15: Criticality Code Justification: ABXV; Bore Diameter: 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Material: STEEL. 3 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.