The Actuator,electro-Mechanical,line, cataloged under National Stock Number 1680-00-973-4891, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-00-973-4891 |
| Primary Part Number | 540538-2-1 |
| Item Name | Actuator,electro-Mechanical,line |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| FSC Application Data | ACFT FLIGHT CONTROL SYSTEM |
| Current Type | DC |
| Criticality Code Justification | FEAT |
| Voltage in Volts | 26.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 540538-2-1 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| 540538-2-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 540538-2-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 1680PL1459206 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1680-00-973-4891 is a Actuator,electro-Mechanical,line, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-973-4891 has 2 manufacturer part numbers on file: 540538-2-1 (Aero International, Llc Dba Ams Engineered Solutions), 540538-2-1 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-443-0365. Verify interchangeability with system specifications before substitution.
Key specifications for 540538-2-1: FSC Application Data: ACFT FLIGHT CONTROL SYSTEM; Current Type: DC; Criticality Code Justification: FEAT; Voltage in Volts: 26.0. 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 1680-00-973-4891 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.