The Staircase,aircraft Boarding, cataloged under National Stock Number 1730-00-242-4232, 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 R.e. Atckison Co., Inc.. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1730-00-242-4232 |
| Primary Part Number | S402231-120B |
| Item Name | Staircase,aircraft Boarding |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | R.e. Atckison Co., Inc. |
| Status | ACTIVE |
| Step Length | LOWER 2 48 IN. LG,9 36 IN. LG IN |
| Platform Width | 48.000 INCHES NOMINAL IN |
| Step Quantity | 11 |
| Platform Height | 50.000 INCHES MINIMUM AND 120.000 INCHES MAXIMUM IN |
| Caster Quantity | 2 |
| Pneumatic Tire | NOT INCLUDED |
| Step Width | 9-1/2 IN. IN |
| Diameter | 12.000 INCHES NOMINAL IN |
| Wheel Quantity | 2 |
| Platform Length | 60.000 INCHES NOMINAL IN |
| Adjustability | ADJUSTABLE |
| Caster Type | SWIVELING |
| Wheel Diameter | 4.000 INCHES NOMINAL 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 |
|---|---|
| S402231-120B PRIMARY | R.e. Atckison Co., Inc. (USA) |
NSN 1730-00-242-4232 is a Staircase,aircraft Boarding, manufactured by R.e. Atckison Co., Inc., classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-00-242-4232 has 1 manufacturer part number on file: S402231-120B (R.e. Atckison Co., Inc.).
Key specifications for S402231-120B: Step Length: LOWER 2 48 IN. LG,9 36 IN. LG IN; Platform Width: 48.000 INCHES NOMINAL IN; Step Quantity: 11; Platform Height: 50.000 INCHES MINIMUM AND 120.000 INCHES MAXIMUM IN. 13 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.