The Fitting,external Jack, cataloged under National Stock Number 1730-01-554-4679, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fitting,external Jack |
| FSC / FSG | 1730 — Aircraft Ground Servicing Equipment (FSG 17) |
| Manufacturers | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934) |
| Parameter | Value |
|---|---|
| NSN | 1730-01-554-4679 |
| Primary Part Number | 2580624 |
| Item Name | Fitting,external Jack |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2580624 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2580624 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 2580624 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 1730-01-554-4679 is a Fitting,external Jack, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-01-554-4679 has 1 manufacturer part number on file: 2580624 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
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 1730-01-554-4679 has DEMIL Code B. 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.