The Cover,actuator,hydraulic, cataloged under National Stock Number 1650-00-489-1644, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-489-1644 |
| Primary Part Number | 33457 |
| Item Name | Cover,actuator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 17 4PH PER AMS 5643,PASSIVATE,3.558 IN. LG,3.030 IN. W,0.580 IN. THK,4 HOLES 0.275 IN. DIA IN |
| 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 |
|---|---|
| 33457 PRIMARY | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 33457 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 33457 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
NSN 1650-00-489-1644 is a Cover,actuator,hydraulic, manufactured by Mid-America Aerotech, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-489-1644 has 1 manufacturer part number on file: 33457 (Mid-America Aerotech, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5940-00-501-7669, 5940-01-042-4444, 4710-01-489-1644. Verify interchangeability with system specifications before substitution.
Key specifications for 33457: General Characteristics Item Description: CRES 17 4PH PER AMS 5643,PASSIVATE,3.558 IN. LG,3.030 IN. W,0.580 IN. THK,4 HOLES 0.275 IN. DIA IN. 1 specification is 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 1650-00-489-1644 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.