The Window,observation, cataloged under National Stock Number 9340-01-084-4904, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Cornell-Carr Co., Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-084-4904 |
| Primary Part Number | KS-19646 ITEM 4 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Cornell-Carr Co., Inc. |
| Status | ACTIVE |
| Overall Diameter | 16.500 INCHES NOMINAL IN |
| Surface Finish | FINE FINISHED |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Edge Type | FLAT FINISH |
| Ply Quantity | 1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| KS-19646 ITEM 4 PRIMARY | Cornell-Carr Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| KS-19646 ITEM 4 | 5/9 Secondary reference U.S. Government activity |
NSN 9340-01-084-4904 is a Window,observation, manufactured by Cornell-Carr Co., Inc., classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-084-4904 has 1 manufacturer part number on file: KS-19646 ITEM 4 (Cornell-Carr Co., Inc.).
Key specifications for KS-19646 ITEM 4: Overall Diameter: 16.500 INCHES NOMINAL IN; Surface Finish: FINE FINISHED; Overall Thickness: 0.750 INCHES NOMINAL 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.
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.