The Window,observation, cataloged under National Stock Number 9340-00-936-5874, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-936-5874 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Status | ACTIVE |
| Overall Diameter | 2.245 INCHES MINIMUM AND 2.286 INCHES MAXIMUM IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.630 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | DD-G-541 FED SPEC SINGLE MATERIAL RESPONSE |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | FRAME |
| Temp at Maximum Operating Pressure | 250.0 FAHRENHEIT DEGF |
| Edge Type | FLAT FINISH |
| Ply Quantity | 1 |
| Environmental Protection | PETROLEUM RESISTANT |
| Material | GLASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2659025-1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 9340-00-936-5874 is a Window,observation, classified under FSC 9340, Glass Fabricated Materials. Status: active.
Key specifications for 9340-00-936-5874: Overall Diameter: 2.245 INCHES MINIMUM AND 2.286 INCHES MAXIMUM IN; Surface Finish: POLISHED; Overall Thickness: 0.630 INCHES NOMINAL IN; Material Transparency: CLEAR. 13 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.