The Window,observation, cataloged under National Stock Number 9330-01-243-6903, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-01-243-6903 |
| Primary Part Number | 451-07512-000 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-P-5425,FIN. A MIL SPEC SINGLE MATERIAL RESPONSE |
| Environmental Protection | HIGH TEMPERATURE RESISTANT |
| Material | PLASTIC ACRYLIC |
| 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 |
|---|---|
| 451-07512-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 633-C-7848 ITEM 14 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 451-B-7512 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 633-C-7848 ITEM 14 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 451-B-7512 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
NSN 9330-01-243-6903 is a Window,observation, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-01-243-6903 has 3 manufacturer part numbers on file: 451-07512-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 633-C-7848 ITEM 14 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 451-B-7512 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 451-07512-000: Overall Diameter: 2.000 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 7 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.