The Bell Crank, cataloged under National Stock Number 1680-00-005-3729, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. 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 | 1680-00-005-3729 |
| Primary Part Number | 53G970602-3 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Bore Length | 0.890 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.4395 INCHES NOMINAL IN |
| Material | TITANIUM |
| 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 |
|---|---|
| 53G970602-3 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 53G970602-3 PRIMARY | The Boeing Company Div Defense (USA) |
| 53G970602-3 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 53G970602-3 | Kitco Llc (USA) |
NSN 1680-00-005-3729 is a Bell Crank, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-005-3729 has 4 manufacturer part numbers on file: 53G970602-3 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 53G970602-3 (The Boeing Company Div Defense), 53G970602-3 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 53G970602-3 (Kitco Llc).
Key specifications for 53G970602-3: Bore Length: 0.890 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: F-4 AIRCRAFT; Bore Diameter: 0.4395 INCHES NOMINAL 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.
NSN 1680-00-005-3729 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.