The Window,observation, cataloged under National Stock Number 9330-00-221-6940, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-00-221-6940 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Status | ACTIVE |
| Style Designator | SQUARE CORNERS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8080002020-1 | 3/9 Design control — primary reference Navcom Defense Electronics, Inc. |
NSN 9330-00-221-6940 is a Window,observation, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
Key specifications for 9330-00-221-6940: Style Designator: SQUARE CORNERS; Overall Length: 4.093 INCHES NOMINAL IN; Overall Width: 2.190 INCHES NOMINAL IN; Special Features: EA CORNER DIAGONAL CUT 0.09 IN. BY 45 DEG IN. 1 specification is 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.