The Window,optical Instrument, cataloged under National Stock Number 1240-00-499-4247, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Coherent Aerospace & Defense, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-499-4247 |
| Primary Part Number | 16819-04 |
| Item Name | Window,optical Instrument |
| FSC / FSG | 1240 / 12 — No Item Name Available |
| Manufacturer | Coherent Aerospace & Defense, Inc. |
| Status | ACTIVE |
| Material | GERMANIUM LOCATION NOT OTHERWISE SPECIFIED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918 |
| Length | 12.188 INCHES NOMINAL IN |
| Width | 8.125 INCHES NOMINAL IN |
| Polished Periphery | PROVIDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 16819-04 | Coherent Aerospace & Defense, Inc. (USA) |
| 4500052 | Optical Coating Laboratory, Llc (USA) |
| 16819 | Coherent Aerospace & Defense, Inc. (USA) |
| 10-30477-1 | The Boeing Company Div Legacy Wichita (USA) |
NSN 1240-00-499-4247 is a Window,optical Instrument, manufactured by Coherent Aerospace & Defense, Inc., classified under FSC 1240 (No Item Name Available). Status: active.
NSN 1240-00-499-4247 has 4 cross-referenced part numbers: 16819-04 (Coherent Aerospace & Defense, Inc.), 4500052 (Optical Coating Laboratory, Llc), 16819 (Coherent Aerospace & Defense, Inc.), 10-30477-1 (The Boeing Company Div Legacy Wichita).
There are 8 known substitutes for 1240-00-499-4247: 5970-00-280-8911, 2920-00-422-6879, 1650-00-787-0947 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 16819-04: Material: GERMANIUM LOCATION NOT OTHERWISE SPECIFIED; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918; Length: 12.188 INCHES NOMINAL IN; Width: 8.125 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.