The Window,observation, cataloged under National Stock Number 9340-01-497-9536, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-497-9536 |
| Primary Part Number | 569-7067779-638 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Thickness | 0.600 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Features Provided | CONDUCTIVE COATING AND FRAME |
| Temp at Maximum Operating Pressure | 167.0 FAHRENHEIT DEGF |
| Ply Quantity | 2 |
| Material | GLASS |
| Heat Absorbing Characteristic | LOW LIGHT TRANSMISSION |
| 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 |
|---|---|
| 569-7067779-638 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 71-02227 | 5/9 Secondary reference Tecknit Shielding Systems Inc |
| H677-2601-499 | 3/2 Design control — primary reference U.S. Government activity |
| H677-2601-347 | 3/2 Design control — primary reference U.S. Government activity |
| H677-2601-787 | 3/2 Design control — primary reference U.S. Government activity |
| H677-2601-194 | 3/2 Design control — primary reference U.S. Government activity |
| H677-2601-638 | 3/2 Design control — primary reference U.S. Government activity |
| H677-2601-58 | 3/2 Design control — primary reference U.S. Government activity |
| 71-02227 | 5/9 Secondary reference Tecknit Shielding Systems, Inc. |
NSN 9340-01-497-9536 is a Window,observation, manufactured by Naval Sea Systems Command, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-497-9536 has 1 manufacturer part number on file: 569-7067779-638 (Naval Sea Systems Command).
Key specifications for 569-7067779-638: Overall Thickness: 0.600 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Overall Length: 21.760 INCHES NOMINAL IN. 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.