The Actuator,electro-Mechanical,line, cataloged under National Stock Number 1680-00-783-6284, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-783-6284 |
| Primary Part Number | A555-4 |
| Item Name | Actuator,electro-Mechanical,line |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| Status | ACTIVE |
| Duty Cycle | INTERMITTENT |
| Current Type | DC |
| Terminal Type | CONNECTOR |
| Stroke Length | 2.020 INCHES NOMINAL IN |
| Body Width | 5.062 INCHES NOMINAL IN |
| Body Height | 5.625 INCHES NOMINAL IN |
| Voltage in Volts | 26.0 |
| Maximum Operating Altitude Rating | 50000.0 FEET FT |
| Manual Override | NOT INCLUDED |
| Tension Load Rating | 1750.0 POUNDS NOMINAL STATIC LBS |
| Tension Load Rating | 605.0 POUNDS NOMINAL OPERATING LBS |
| Rated Stroke Velocity | 4.000 INCHES PER MINUTE IN |
| Limit Switch Control | INCLUDED |
| Current Rating in Amps | 4.0 |
| Compression Load Rating | 1750.0 POUNDS NOMINAL STATIC LBS |
| Compression Load Rating | 605.0 POUNDS NOMINAL OPERATING LBS |
| 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 |
|---|---|
| A555-4 PRIMARY | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA) |
| Reference | Meaning |
|---|---|
| A555-4 | 5/9 Secondary reference U.S. Government activity |
| A555-4 | 5/9 Secondary reference Kilgore Flares Company Llc |
NSN 1680-00-783-6284 is a Actuator,electro-Mechanical,line, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-783-6284 has 1 manufacturer part number on file: A555-4 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
3 possible matches (shared part number, not a government interchangeability claim): 3439-00-803-9499, 2590-01-049-1663, 5315-01-374-3246. Verify interchangeability with system specifications before substitution.
Key specifications for A555-4: Duty Cycle: INTERMITTENT; Current Type: DC; Terminal Type: CONNECTOR; Stroke Length: 2.020 INCHES NOMINAL IN. 16 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 1680-00-783-6284 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.