The Ladder,aircraft Boarding, cataloged under National Stock Number 1730-00-078-5789, 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 Northrop Grumman Systems Corporation. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1730-00-078-5789 |
| Primary Part Number | 128B11375-602 |
| Item Name | Ladder,aircraft Boarding |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Design Type | CONTOUR |
| Safety Shoes | NOT INCLUDED |
| Wheel | NOT PROVIDED |
| Attachment Hooks | NOT INCLUDED |
| Crosspiece Tread | NOT INCLUDED |
| Protective Pads | NOT INCLUDED |
| Material | ALUMINUM ALLOY SIDE RAIL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 128B11375-602 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128B11375-602 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 6L508-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1730-00-078-5789 is a Ladder,aircraft Boarding, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-00-078-5789 has 1 manufacturer part number on file: 128B11375-602 (Northrop Grumman Systems Corporation).
Key specifications for 128B11375-602: Design Type: CONTOUR; Safety Shoes: NOT INCLUDED; Wheel: NOT PROVIDED; Attachment Hooks: NOT INCLUDED. 7 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.