The Leaf,centering, cataloged under National Stock Number 1620-00-657-5422, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Leaf,centering |
| FSC / FSG | 1620 — Aircraft Landing Gear Components (FSG 16) |
| Manufacturers | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (CAGE 8X044); Kitco Llc (CAGE 34087) |
| Parameter | Value |
|---|---|
| NSN | 1620-00-657-5422 |
| Primary Part Number | 2660635-501 |
| Item Name | Leaf,centering |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2660635-501 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 2660635-501 | Kitco Llc (USA) |
| Reference | Meaning |
|---|---|
| 2660635-501 | 3/2 Design control — primary reference U.S. Government activity |
| 2660635-501 | 5/9 Secondary reference The Boeing Company |
NSN 1620-00-657-5422 is a Leaf,centering, manufactured by Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-657-5422 has 2 manufacturer part numbers on file: 2660635-501 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 2660635-501 (Kitco Llc).
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 1620-00-657-5422 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.