The Window,observation, cataloged under National Stock Number 9340-01-232-7331, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Technical Wire Products, Llc Dba Twp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-232-7331 |
| Primary Part Number | 71-00744A |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Technical Wire Products, Llc Dba Twp |
| Status | ACTIVE |
| Fourth Corner Radius | 0.250 INCHES NOMINAL IN |
| First Corner Radius | 0.250 INCHES NOMINAL IN |
| Second Corner Radius | 0.250 INCHES NOMINAL IN |
| Overall Thickness | 0.375 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | ROUNDED CORNERS |
| Material Document and Classification | DD-G-451,TYPE 1,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | GLASS |
| Third Corner Radius | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 71-00744A PRIMARY | Technical Wire Products, Llc Dba Twp (USA) |
| Reference | Meaning |
|---|---|
| 689C2140-3 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
| 689C2140 | D/9 Drawing number reference only U.S. Government activity |
| 689C2140-3 | 5/2 Secondary reference U.S. Government activity |
NSN 9340-01-232-7331 is a Window,observation, manufactured by Technical Wire Products, Llc Dba Twp, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-232-7331 has 1 manufacturer part number on file: 71-00744A (Technical Wire Products, Llc Dba Twp).
Key specifications for 71-00744A: Fourth Corner Radius: 0.250 INCHES NOMINAL IN; First Corner Radius: 0.250 INCHES NOMINAL IN; Second Corner Radius: 0.250 INCHES NOMINAL IN; Overall Thickness: 0.375 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.