The Window,observation, cataloged under National Stock Number 9340-01-073-7439, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-073-7439 |
| Primary Part Number | 11780019 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Overall Thickness | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Material Document and Classification | MIL-G-1366,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | GLASS PLATE |
| 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 |
|---|---|
| 11780019 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 42263-1 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Rc Displays Systems |
NSN 9340-01-073-7439 is a Window,observation, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-073-7439 has 1 manufacturer part number on file: 11780019 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-392-3201. Verify interchangeability with system specifications before substitution.
Key specifications for 11780019: Overall Thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Material Document and Classification: MIL-G-1366,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE. 5 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.