The Window,observation, cataloged under National Stock Number 9330-01-083-4869, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-01-083-4869 |
| Primary Part Number | 501833-000 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Overall Diameter | 2.264 INCHES NOMINAL IN |
| Surface Finish | FINE FINISHED |
| Overall Thickness | 0.080 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-P-5425,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE |
| Temp at Maximum Operating Pressure | 239.0 FAHRENHEIT DEGF |
| Edge Type | BEVELED |
| Ply Quantity | 1 |
| Environmental Protection | HIGH TEMPERATURE RESISTANT |
| Minimum Tensile Strength | 8000 POUNDS PER SQUARE INCH LBS |
| Material | PLASTIC |
| 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 |
|---|---|
| 501833-000 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 501833-000 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 9330PL1258761 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3150716 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 9330-01-083-4869 is a Window,observation, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-01-083-4869 has 1 manufacturer part number on file: 501833-000 (Lockheed Martin Corporation Div Rms).
Key specifications for 501833-000: Overall Diameter: 2.264 INCHES NOMINAL IN; Surface Finish: FINE FINISHED; Overall Thickness: 0.080 INCHES NOMINAL IN; Material Transparency: CLEAR. 12 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.