The Window,observation, cataloged under National Stock Number 9340-00-255-9435, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-255-9435 |
| Primary Part Number | 136336PC70 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 3.063 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE |
| Edge Type | BEVELED |
| Ply Quantity | 2 |
| Material | GLASS |
| 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 |
|---|---|
| 136336PC70 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 616517 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 705868 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 9340-00-255-9435 is a Window,observation, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-00-255-9435 has 3 manufacturer part numbers on file: 136336PC70 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 616517 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 705868 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-220-5455. Verify interchangeability with system specifications before substitution.
Key specifications for 136336PC70: Overall Diameter: 3.063 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN; Surface Finish: POLISHED; Overall Thickness: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Material Transparency: CLEAR. 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.