The Window,observation, cataloged under National Stock Number 9340-01-596-0349, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Ernst, John C & Co, Inc.. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-596-0349 |
| Primary Part Number | 242-1.25IN PG8 IT48 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| Material Transparency | CLEAR |
| Material Document and Classification | TEMPERED BOROSILICATE MFR REF SINGLE MATERIAL RESPONSE |
| Material | GLASS BOROSILICATE |
| 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 |
|---|---|
| 242-1.25IN PG8 IT48 PRIMARY | Ernst, John C & Co, Inc. (USA) |
NSN 9340-01-596-0349 is a Window,observation, manufactured by Ernst, John C & Co, Inc., classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-596-0349 has 1 manufacturer part number on file: 242-1.25IN PG8 IT48 (Ernst, John C & Co, Inc.).
Key specifications for 242-1.25IN PG8 IT48: Material Transparency: CLEAR; Material Document and Classification: TEMPERED BOROSILICATE MFR REF SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: GLASS; End Item Identification: SIGHT FLOW INDICATOR. 3 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.