The Piston,ejector Cylinder, cataloged under National Stock Number 1440-00-163-6331, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1440-00-163-6331 |
| Primary Part Number | 575597-1 |
| Item Name | Piston,ejector Cylinder |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| General Characteristics Item Description | 2.316 IN. O/A DIA,10.140 IN. O/A LG,MATERIAL STEEL 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 |
|---|---|
| 575597-1 | Raytheon Company (USA) |
| 575597-1 | Wgi Inc. Dba Wgi Inc (USA) |
| 575597-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 685050-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 575597-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 1440-00-163-6331 is a Piston,ejector Cylinder, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 1440, Launchers, Guided Missile. Status: active.
NSN 1440-00-163-6331 has 3 manufacturer part numbers on file: 575597-1 (Raytheon Company), 575597-1 (Wgi Inc. Dba Wgi Inc), 575597-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 575597-1: General Characteristics Item Description: 2.316 IN. O/A DIA,10.140 IN. O/A LG,MATERIAL STEEL 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.
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.