The Bell Crank, cataloged under National Stock Number 1680-01-494-0204, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-494-0204 |
| Primary Part Number | 160D123100-21 |
| Item Name | Bell Crank |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 160D123100-21 | Aerometals, Inc. (USA) |
| 160D123100-21 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 160D123100-21 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 160D123100-21 | Tens Machine Company, Inc. Dba Tens Machine Co Inc (USA) |
| 160D123100-21 | Northwest Machining & Mfg., Inc. Dba Northwest Machining & Manufacturing Inc (USA) |
| 160D123100-21 | Design/ol, Inc. (USA) |
| 160D123100-21 | Welding Metallurgy, Inc. (USA) |
| 160D123100-21 | Thomas Instrument, Incorporated (USA) |
| 160D123100-21 | Cpi Aerostructures Inc (USA) |
| Reference | Meaning |
|---|---|
| 160D123100-21 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 160D123100 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 160D123100-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1680-01-494-0204 is a Bell Crank, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-494-0204 has 9 manufacturer part numbers on file: 160D123100-21 (Aerometals, Inc.), 160D123100-21 (Northrop Grumman Systems Corporation), 160D123100-21 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 160D123100-21 (Tens Machine Company, Inc. Dba Tens Machine Co Inc), 160D123100-21 (Northwest Machining & Mfg., Inc. Dba Northwest Machining & Manufacturing Inc) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-494-0239. Verify interchangeability with system specifications before substitution.
Key specifications for 160D123100-21: End Item Identification: NHA - CONTROL ASSEMBLY-DIFFERENTIAL BRAKE AND RUDDER PEDAL; E/I - A-10. 0 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 1680-01-494-0204 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.