The Window,observation, cataloged under National Stock Number 9340-01-708-1090, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Teledyne Flir, Llc Div Corporate. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9340-01-708-1090 |
| Primary Part Number | FLIR IRW-4S |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Teledyne Flir, Llc Div Corporate |
| Status | ACTIVE |
| Overall Diameter | 95.0 INCHES NOMINAL IN |
| Overall Thickness | 29.25 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Temp at Maximum Operating Pressure | 260.0 CELSIUS DEGC |
| 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 |
|---|---|
| FLIR IRW-4S PRIMARY | Teledyne Flir, Llc Div Corporate (USA) |
| Reference | Meaning |
|---|---|
| MG-043444 REV K ITEM NO. 32 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 9340-01-708-1090 is a Window,observation, manufactured by Teledyne Flir, Llc Div Corporate, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-708-1090 has 1 manufacturer part number on file: FLIR IRW-4S (Teledyne Flir, Llc Div Corporate).
Key specifications for FLIR IRW-4S: Overall Diameter: 95.0 INCHES NOMINAL IN; Overall Thickness: 29.25 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 5 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.