The Window,observation, cataloged under National Stock Number 9340-01-059-0450, 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13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-059-0450 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Status | ACTIVE |
| Overall Diameter | 1.910 INCHES NOMINAL IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-2697,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | A TYPE |
| Edge Type | BEVELED |
| Ply Quantity | 1 |
| Environmental Protection | BREAK RESISTANNT |
| Material | GLASS PLATE |
| Heat Absorbing Characteristic | HIGH LIGHT TRANSMISSION |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL |
| 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 |
|---|---|
| 9340PL0753464 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MIL-G-2697 | 4/1 Identification reference U.S. Government activity |
| 46296C153 | 3/1 Design control — primary reference U.S. Government activity |
| 46296C153 | 5/9 Secondary reference U.S. Government activity |
NSN 9340-01-059-0450 is a Window,observation, classified under FSC 9340, Glass Fabricated Materials. Status: active.
Key specifications for 9340-01-059-0450: Overall Diameter: 1.910 INCHES NOMINAL IN; Surface Finish: POLISHED; Overall Thickness: 0.250 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.