The Window,observation, cataloged under National Stock Number 9330-00-211-5940, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-00-211-5940 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Status | ACTIVE |
| Fourth Corner Radius | 0.062 INCHES NOMINAL IN |
| First Corner Radius | 0.062 INCHES NOMINAL IN |
| Second Corner Radius | 0.062 INCHES NOMINAL IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | ROUNDED CORNERS |
| Material Document and Classification | MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE |
| Departure From Cited Designator | AS MODIFIED BY SPECIAL FEATURES |
| Nondefinitive Spec/std Data | A FINISH |
| Ply Quantity | 1 |
| Environmental Protection | DRY HEAT RESISTANT AND WEATHER RESISTANT |
| Material | PLASTIC ACRYLIC |
| Third Corner Radius | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1-138638 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-P-5425 | 4/1 Identification reference U.S. Government activity |
| M1-138638 | 3/9 Design control — primary reference U.S. Government activity |
NSN 9330-00-211-5940 is a Window,observation, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
Key specifications for 9330-00-211-5940: Fourth Corner Radius: 0.062 INCHES NOMINAL IN; First Corner Radius: 0.062 INCHES NOMINAL IN; Second Corner Radius: 0.062 INCHES NOMINAL IN; Surface Finish: POLISHED. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.