The Window,observation, cataloged under National Stock Number 9330-01-360-4398, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Data Device Corp Dba Beta Transformer Technology. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Window,observation |
| FSC / FSG | 9330 — Plastics Fabricated Materials (FSG 93) |
| Manufacturers | Data Device Corp Dba Beta Transformer Technology (CAGE 19645) |
| Parameter | Value |
|---|---|
| NSN | 9330-01-360-4398 |
| Primary Part Number | 40991 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Data Device Corp Dba Beta Transformer Technology |
| Status | ACTIVE |
| 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 |
|---|---|
| 40991 PRIMARY | Data Device Corp Dba Beta Transformer Technology (USA) |
NSN 9330-01-360-4398 is a Window,observation, manufactured by Data Device Corp Dba Beta Transformer Technology, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-01-360-4398 has 1 manufacturer part number on file: 40991 (Data Device Corp Dba Beta Transformer Technology).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-419-9856. Verify interchangeability with system specifications before substitution.
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.