The Window,observation, cataloged under National Stock Number 9340-00-947-2104, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Moeller Mfg. Company, Llc Div Aircraft. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-947-2104 |
| Primary Part Number | 321822-2 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Moeller Mfg. Company, Llc Div Aircraft |
| Status | ACTIVE |
| Overall Diameter | 5.750 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC |
| 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 |
|---|---|
| 321822-2 | Moeller Mfg. Company, Llc Div Aircraft (USA) |
| Reference | Meaning |
|---|---|
| 321822-2 | 3/2 Design control — primary reference U.S. Government activity |
| 321822-2 | 5/9 Secondary reference Unisys Corp Defense Systems C S D Field Engineering |
NSN 9340-00-947-2104 is a Window,observation, manufactured by Moeller Mfg. Company, Llc Div Aircraft, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-00-947-2104 has 1 manufacturer part number on file: 321822-2 (Moeller Mfg. Company, Llc Div Aircraft).
Key specifications for 321822-2: Overall Diameter: 5.750 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 6 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.