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 manufacturer of record is Navitar ,inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| 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) |
| Reference | Meaning |
|---|---|
| 299-096 | 5/9 Secondary reference Buhl Optical Co |
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 4 manufacturer part numbers on file: 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).
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.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1240-01-389-2903 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.