The Ballscrew Assembly, cataloged under National Stock Number 1620-01-398-1349, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is General Electric Co Aircraft Engine Business Group Aviation Service Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1620-01-398-1349 |
| Primary Part Number | 858E857P20 |
| Item Name | Ballscrew Assembly |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | General Electric Co Aircraft Engine Business Group Aviation Service Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 858E857P20 PRIMARY | General Electric Co Aircraft Engine Business Group Aviation Service Div (USA) |
| Reference | Meaning |
|---|---|
| 858E857 | D/9 Drawing number reference only General Electric Co Aircraft Engine Business Group Aviation Service Div |
NSN 1620-01-398-1349 is a Ballscrew Assembly, manufactured by General Electric Co Aircraft Engine Business Group Aviation Service Div, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-398-1349 has 1 manufacturer part number on file: 858E857P20 (General Electric Co Aircraft Engine Business Group Aviation Service Div).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-407-3558, 3020-01-407-3560. Verify interchangeability with system specifications before substitution.
Key specifications for 858E857P20: Special Features: Z-AXIS ASSY - EC II/E; AXIS IS APPROX 38.880 INCHES LONG; BOTH ENDS THREADED 0.586-32 THDS; CAGE 46384; PEM NUT, NO. CLS-0420-2, LTR A, 2 REQ'D, CAGE 69041, SINGLE BALL NUT SCREW ASSY, NO. R-35, WITH FLANGE AND WIPER KIT, LTR B, 1 REQ'D IN; End Item Identification: SUPPORT EQUIPMENT; AIRCRAFT; F-16. 0 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 1620-01-398-1349 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.