The Window,observation, cataloged under National Stock Number 9340-00-497-7557, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Optical Coating Laboratory, Llc. Government technical data includes 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-497-7557 |
| Primary Part Number | 2500052 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — No Item Name Available |
| Manufacturer | Optical Coating Laboratory, Llc |
| Status | ACTIVE |
| Overall Thickness | 0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Material Transparency | CLEAR |
| Material | GLASS |
| Surface Finish | POLISHED |
| First Corner Radius | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fourth Corner Radius | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Third Corner Radius | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Second Corner Radius | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Style Designator | ROUNDED CORNERS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 164B7556P4 | Bae Systems Controls Inc. (USA) |
| 2500052 PRIMARY | Optical Coating Laboratory, Llc (USA) |
NSN 9340-00-497-7557 is a Window,observation, manufactured by Optical Coating Laboratory, Llc, classified under FSC 9340 (No Item Name Available). Status: active.
NSN 9340-00-497-7557 has 2 cross-referenced part numbers: 164B7556P4 (Bae Systems Controls Inc.), 2500052 (Optical Coating Laboratory, Llc).
There are 2 known substitutes for 9340-00-497-7557: 5120-00-965-0326, 5962-01-110-7452. Verify interchangeability with system specifications before substitution.
Key specifications for 2500052: Overall Thickness: 0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Overall Length: 1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN; Overall Width: 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN; Material Transparency: CLEAR. 11 total characteristics are documented in the Federal Logistics Information System.