The Frame,observation Window, cataloged under National Stock Number 9340-00-443-3429, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9340-00-443-3429 |
| Primary Part Number | 490D852G01 |
| Item Name | Frame,observation Window |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT,EXCEPT AIRBORNE |
| General Characteristics Item Description | ALUMINUM ALLOY; 15.440 IN. DIA; 0.590 IN. W IN |
| 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 |
|---|---|
| 490D852G01 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 490D852G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9340-00-443-3429 is a Frame,observation Window, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-00-443-3429 has 1 manufacturer part number on file: 490D852G01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 490D852G01: FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE; General Characteristics Item Description: ALUMINUM ALLOY; 15.440 IN. DIA; 0.590 IN. W IN. 2 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.