The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-01-389-2903, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The primary manufacturer of record is Navitar ,inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 interchangeability records exist in the U.S. Government catalog, showing items with a declared government relationship to this NSN. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-389-2903 |
| Primary Part Number | 1-15719 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Navitar ,inc. |
| Status | ACTIVE |
| Optical Element Quantity | 3 |
| Overall Diameter | 5.375 INCHES NOMINAL IN |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | MIRROR |
| Material Document and Classification | MIL-O-13830, TYPE 620-603 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | GLASS OPTICAL AND ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| Hazard | Not stated in government record |
| Part Number | Manufacturer |
|---|---|
| 3113AS3103-1 | Vertex Modernization and Sustainment Llc (USA) |
| 1-15719 PRIMARY | Navitar ,inc. (USA) |
| 3113AS3103-1 | Raytheon Company Dba Raytheon (USA) |
| 3113AS3103-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 299-096 | Buhl Optical Co (USA) |
NSN 1240-01-389-2903 is a Cell Assembly,optical Instrument, manufactured by Navitar ,inc., classified under FSC 1240 (Optical Sighting and Ranging Equipment). Status: active.
NSN 1240-01-389-2903 has 5 cross-referenced part numbers: 3113AS3103-1 (Vertex Modernization and Sustainment Llc), 1-15719 (Navitar ,inc.), 3113AS3103-1 (Raytheon Company Dba Raytheon), 3113AS3103-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 299-096 (Buhl Optical Co).
The U.S. Government catalog lists 3 government relationship records (type INTERCHANGEABLE) for 1240-01-389-2903: 2910-00-106-9935, 5330-00-178-0608, 5940-00-329-5471. Verify interchangeability with system specifications before substitution.
Key specifications for 1-15719: Optical Element Quantity: 3; Overall Diameter: 5.375 INCHES NOMINAL IN; Eccentric Construction: NOT PROVIDED; Optical Element Type: MIRROR. 6 specifications are documented in the U.S. Government catalog.
Hazard status is not stated in the government record for NSN 1240-01-389-2903 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.