The Window,observation, cataloged under National Stock Number 9340-01-564-4844, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is John G Papailias Co Inc Dba J G Papailias. Government technical data includes 4 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 | 9340-01-564-4844 |
| Primary Part Number | B129-01-TBS |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | John G Papailias Co Inc Dba J G Papailias |
| Status | ACTIVE |
| Overall Diameter | 100.0 MILLIMETERS NOMINAL MM |
| Overall Thickness | 15.0 MILLIMETERS NOMINAL MM |
| Style Designator | CIRCULAR |
| Material | GLASS BOROSILICATE |
| 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 |
|---|---|
| D627 ITEM 5 | John G Papailias Co Inc Dba J G Papailias (USA) |
| B129-01-TBS PRIMARY | John G Papailias Co Inc Dba J G Papailias (USA) |
NSN 9340-01-564-4844 is a Window,observation, manufactured by John G Papailias Co Inc Dba J G Papailias, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-564-4844 has 2 manufacturer part numbers on file: D627 ITEM 5 (John G Papailias Co Inc Dba J G Papailias), B129-01-TBS (John G Papailias Co Inc Dba J G Papailias).
Key specifications for B129-01-TBS: Overall Diameter: 100.0 MILLIMETERS NOMINAL MM; Overall Thickness: 15.0 MILLIMETERS NOMINAL MM; Style Designator: CIRCULAR; Special Features: INSTALLED ON 1/2 INCH SIGHT FLOW INDICATOR MANUFACTURERS MODEL NUMBER FIF-R/BRZ/NEO IN. 4 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.