The Window,observation, cataloged under National Stock Number 9340-01-423-0708, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-423-0708 |
| Primary Part Number | B129-03-TBS |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | John G Papailias Co Inc Dba J G Papailias |
| Status | ACTIVE |
| Fragility Factor | RUGGED |
| Material Transparency | CLEAR |
| 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 |
|---|---|
| B129-03-TBS PRIMARY | John G Papailias Co Inc Dba J G Papailias (USA) |
| Reference | Meaning |
|---|---|
| 403 SYM 4 | 5/1 Secondary reference John G Papailias Co Inc Dba J G Papailias |
NSN 9340-01-423-0708 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 9340-01-423-0708 has 1 manufacturer part number on file: B129-03-TBS (John G Papailias Co Inc Dba J G Papailias).
Key specifications for B129-03-TBS: Fragility Factor: RUGGED; Material Transparency: CLEAR; Style Designator: CIRCULAR; End Item Identification: SIGHT FLOW INDICATOR. 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.