The Window,observation, cataloged under National Stock Number 9340-00-504-9890, 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 8 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 | 9340-00-504-9890 |
| Primary Part Number | 5049890 |
| 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 Diameter | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Ply Quantity | 1 |
| Color | RED |
| Material | GLASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5049890 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 9340-00-504-9890 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 9340-00-504-9890 has 1 manufacturer part number on file: 5049890 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5049890: Overall Diameter: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Surface Finish: POLISHED; Overall Thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Material Transparency: CLEAR. 8 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.
NSN 9340-00-504-9890 has DEMIL Code B. 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.