The Tube,hydraulic, cataloged under National Stock Number 1440-00-491-5404, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1440-00-491-5404 |
| Primary Part Number | 1788778 |
| Item Name | Tube,hydraulic |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,FED STD 66,AISI 304 OR SAE 30304,0.375 IN. DIAMETER,0.035 IN. WALL THICKNESS,10.875 IN. LENGTH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1788778 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1440-00-491-5404 is a Tube,hydraulic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1440, Launchers, Guided Missile. Status: active.
NSN 1440-00-491-5404 has 1 manufacturer part number on file: 1788778 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1788778: General Characteristics Item Description: CRES,FED STD 66,AISI 304 OR SAE 30304,0.375 IN. DIAMETER,0.035 IN. WALL THICKNESS,10.875 IN. LENGTH IN. 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.
NSN 1440-00-491-5404 has DEMIL Code Q. 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.