The Window,observation, cataloged under National Stock Number 9330-01-011-1925, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-01-011-1925 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Status | ACTIVE |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | L-P-516,TYPE G-1 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | G-1 TYPE |
| Edge Type | FLAT FINISH |
| Ply Quantity | 1 |
| Minimum Tensile Strength | 6200 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 |
| Reference | Meaning |
|---|---|
| 165A390ABPC2 1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
| 165A390AB-2 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| L-P-516 | 4/1 Identification reference U.S. Government activity |
| 165A390AB PIECE | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
NSN 9330-01-011-1925 is a Window,observation, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-671-6506. Verify interchangeability with system specifications before substitution.
Key specifications for 9330-01-011-1925: Overall Diameter: 1.750 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 10 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.