The Window,observation, cataloged under National Stock Number 9330-00-581-5626, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Dorer Engineering Inc Dba O J Rodgers Company. Government technical data includes 11 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 | 9330-00-581-5626 |
| Primary Part Number | R878C190N |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Dorer Engineering Inc Dba O J Rodgers Company |
| Status | ACTIVE |
| FSC Application Data | METEOROLOGICAL INSTRUMENTS AND APPARATUS |
| Overall Diameter | 5.750 INCHES NOMINAL IN |
| Surface Finish | FINE FINISHED |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Edge Type | FLAT UNFINISHED |
| Ply Quantity | 1 |
| Environmental Protection | WEATHER RESISTANT |
| Material | GLASS |
| Heat Absorbing Characteristic | HIGH LIGHT TRANSMISSION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R878C190N PRIMARY | Dorer Engineering Inc Dba O J Rodgers Company (USA) |
NSN 9330-00-581-5626 is a Window,observation, manufactured by Dorer Engineering Inc Dba O J Rodgers Company, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-00-581-5626 has 1 manufacturer part number on file: R878C190N (Dorer Engineering Inc Dba O J Rodgers Company).
Key specifications for R878C190N: FSC Application Data: METEOROLOGICAL INSTRUMENTS AND APPARATUS; Overall Diameter: 5.750 INCHES NOMINAL IN; Surface Finish: FINE FINISHED; Overall Thickness: 0.250 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.