The Pin-Lock Link, cataloged under National Stock Number 1620-00-004-9889, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1620-00-004-9889 |
| Primary Part Number | 2578141 |
| Item Name | Pin-Lock Link |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2578141 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2578141 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 2578141 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2578141 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 1620-00-004-9889 is a Pin-Lock Link, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-004-9889 has 1 manufacturer part number on file: 2578141 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2578141: End Item Identification: AIRCRAFT LANDING GEAR. 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.
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.