The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-01-172-3626, 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 Transaero, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-172-3626 |
| Primary Part Number | 57977 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Transaero, Inc. |
| Status | ACTIVE |
| Outside Diameter | 1.373 INCHES NOMINAL 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 |
|---|---|
| 57977 | Transaero, Inc. (USA) |
| 57977 | Goodrich Actuation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 57977 | 3/9 Design control — primary reference Claverham Ltd |
| 57977 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 57977 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1650-01-172-3626 is a Piston,linear Actuating Cylinder, manufactured by Transaero, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-172-3626 has 2 manufacturer part numbers on file: 57977 (Transaero, Inc.), 57977 (Goodrich Actuation Systems Ltd).
Key specifications for 57977: Outside Diameter: 1.373 INCHES NOMINAL IN; Overall Length: 9.400 INCHES NOMINAL IN; Special Features: MATL,ALUMINUM ALLOY;0.190 IN. ID;1 5/16-20 UN2A THD ONE END;5/8-20 UN2A THD OPPOSITE END;USED ON AIRCRAFT MODEL AV-8 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 1650-01-172-3626 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.