The Window,observation, cataloged under National Stock Number 9340-00-171-4557, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9340-00-171-4557 |
| Primary Part Number | 1026502 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Surface Finish | POLISHED |
| Style Designator | CIRCULAR |
| Edge Type | BEVELED |
| Material Document and Classification | MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | GLASS LAMINATE |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Overall Diameter | 3.344 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 9340-00-171-4557 is a Window,observation, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 9340 (No Item Name Available). Status: cancelled.
NSN 9340-00-171-4557 has 2 cross-referenced part numbers: 1026502 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 11737 (Applied Devices Corp).
There are 9 known substitutes for 9340-00-171-4557: 5945-00-235-7582, 5307-00-371-6113, 5970-00-866-7191 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1026502: Surface Finish: POLISHED; Style Designator: CIRCULAR; Edge Type: BEVELED; Material Document and Classification: MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 9340-00-171-4557 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.