The Window,optical Instrument, cataloged under National Stock Number 1240-00-315-5579, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-315-5579 |
| Primary Part Number | 1047548 |
| Item Name | Window,optical Instrument |
| FSC / FSG | 1240 / 12 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Diameter | 65.1 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| Material Document and Classification | JAN-G-174, TYPE 523-586, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Bevel Depth | 0.4 MILLIMETERS NOMINAL MM |
| Thickness | 5.0 MILLIMETERS NOMINAL MM |
| Polished Periphery | NOT PROVIDED |
| Bevel Angle in Deg | 45.000 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1240-00-315-5579 is a Window,optical Instrument, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240 (No Item Name Available). Status: active.
NSN 1240-00-315-5579 has 2 cross-referenced part numbers: 62-607 (American Optical Co), 1047548 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 3 known substitutes for 1240-00-315-5579: 5331-00-165-1961, 4310-01-114-3010, 8465-01-532-6426. Verify interchangeability with system specifications before substitution.
Key specifications for 1047548: Diameter: 65.1 MILLIMETERS NOMINAL MM; Material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED; Material Document and Classification: JAN-G-174, TYPE 523-586, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Bevel Depth: 0.4 MILLIMETERS NOMINAL MM. 7 total characteristics are documented in the Federal Logistics Information System.