The Ladder,straight, cataloged under National Stock Number 5440-01-166-8446, is classified within Federal Supply Class 5440 (No Item Name Available) of the Prefabricated Structures and Scaffolding group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5440-01-166-8446 |
| Primary Part Number | 4789250-0001 |
| Item Name | Ladder,straight |
| FSC / FSG | 5440 / 54 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Crosspiece Type | RUNG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 87537-1604 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 4789250 | Naval Ship Systems Command (USA) |
| 4789250-0001 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 603-4645129 ITEM 4 | Naval Ship Systems Command (USA) |
| 87537-1604-0001 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 4789250-0001 PRIMARY | Naval Ship Systems Command (USA) |
| 4789250 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 5440-01-166-8446 is a Ladder,straight, manufactured by Naval Ship Systems Command, classified under FSC 5440 (No Item Name Available). Status: active.
NSN 5440-01-166-8446 has 7 cross-referenced part numbers: 87537-1604 (Electric Boat Corporation Div General Dynamics Electric Boat), 4789250 (Naval Ship Systems Command), 4789250-0001 (Electric Boat Corporation Div General Dynamics Electric Boat), 603-4645129 ITEM 4 (Naval Ship Systems Command), 87537-1604-0001 (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.
There is 1 known substitute for 5440-01-166-8446: 5440-01-166-8447. Verify interchangeability with system specifications before substitution.
Key specifications for 4789250-0001: Special Features: PORTABLE; Crosspiece Type: RUNG. 2 total characteristics are documented in the Federal Logistics Information System.