The Window,observation, cataloged under National Stock Number 9330-01-291-8325, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Technical Wire Products, Llc Dba Twp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9330-01-291-8325 |
| Primary Part Number | 71-00661 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Technical Wire Products, Llc Dba Twp |
| Status | ACTIVE |
| Overall Thickness | 0.122 INCHES NOMINAL IN |
| Material Transparency | TRANSLUCENT |
| Style Designator | CHAMFERED CORNERS |
| Material Document and Classification | L-P-391,TYPE 1,CLASS C FED SPEC SINGLE MATERIAL RESPONSE |
| Ply Quantity | 3 |
| Color | RED |
| Minimum Tensile Strength | 9000 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 71-00661 PRIMARY | Technical Wire Products, Llc Dba Twp (USA) |
| 5924899-001 | Naval Sea Systems Command (USA) |
NSN 9330-01-291-8325 is a Window,observation, manufactured by Technical Wire Products, Llc Dba Twp, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-01-291-8325 has 2 manufacturer part numbers on file: 71-00661 (Technical Wire Products, Llc Dba Twp), 5924899-001 (Naval Sea Systems Command).
Key specifications for 71-00661: Overall Thickness: 0.122 INCHES NOMINAL IN; Material Transparency: TRANSLUCENT; Style Designator: CHAMFERED CORNERS; Material Document and Classification: L-P-391,TYPE 1,CLASS C FED SPEC SINGLE MATERIAL RESPONSE. 8 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.