The Ram,cylinder,hyraulic Jack, cataloged under National Stock Number 4320-01-289-3673, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-289-3673 |
| Primary Part Number | 1128AS109-5 |
| Item Name | Ram,cylinder,hyraulic Jack |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| General Characteristics Item Description | HEAT TREATED STEEL W/CHROME FINISH; O/A LENGTH 4.750 IN.; O/A OD 3.745 IN.; ID 2.816 IN.; THIRD STAGE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1128AS109-5 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 1128AS209 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1128AS109 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4320-01-289-3673 is a Ram,cylinder,hyraulic Jack, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-289-3673 has 1 manufacturer part number on file: 1128AS109-5 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 1128AS109-5: General Characteristics Item Description: HEAT TREATED STEEL W/CHROME FINISH; O/A LENGTH 4.750 IN.; O/A OD 3.745 IN.; ID 2.816 IN.; THIRD STAGE IN; End Item Identification: 1730-01-109-1146 JACK,AIRCRAFT LANDING GEAR. 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.
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.