The Piston-Retract, cataloged under National Stock Number 1620-01-056-9657, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Goodrich Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1620-01-056-9657 |
| Primary Part Number | 2006020-1 |
| Item Name | Piston-Retract |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL 4330V AMS6411,CADMIUM PLATE,17.550 IN. LG,1.190 IN. D V |
| 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 |
|---|---|
| 2006020-1 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2006020-1 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 1620-01-056-9657 is a Piston-Retract, manufactured by Goodrich Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-056-9657 has 1 manufacturer part number on file: 2006020-1 (Goodrich Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-596-6420, 1450-01-674-4869. Verify interchangeability with system specifications before substitution.
Key specifications for 2006020-1: General Characteristics Item Description: STEEL 4330V AMS6411,CADMIUM PLATE,17.550 IN. LG,1.190 IN. D V; End Item Identification: RETRACTION ACTUATOR P/N 2006016-103 F16A/B ACFT. 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 1620-01-056-9657 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.