The Window,optical Instrument, cataloged under National Stock Number 1240-00-530-1320, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 1240-00-530-1320 |
| Primary Part Number | 3000033 |
| 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 | 41.500 MILLIMETERS NOMINAL MM |
| Polished Surface | BOTH |
| Material Document and Classification | JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| FSC Application Data | TELESCOPE,STRAIGHT |
| Material | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| Bevel Depth | 3.000 MILLIMETERS NOMINAL MM |
| Reflection Reducing Surface | BOTH |
| Thickness | 4.500 MILLIMETERS NOMINAL MM |
| Bevel Angle in Deg | 45.000 NOMINAL |
| Polished Periphery | NOT PROVIDED |
| Refraction Index | 1.5171 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1240-00-530-1320 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 1240-00-530-1320 has 2 cross-referenced part numbers: 511502-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3000033 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 3 known substitutes for 1240-00-530-1320: 1560-00-096-3934, 6650-01-673-3048, 6610-01-674-2359. Verify interchangeability with system specifications before substitution.
Key specifications for 3000033: Diameter: 41.500 MILLIMETERS NOMINAL MM; Polished Surface: BOTH; Material Document and Classification: JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; FSC Application Data: TELESCOPE,STRAIGHT. 11 total characteristics are documented in the Federal Logistics Information System.