The Reticle Assembly,optical Instrum, cataloged under National Stock Number 1240-00-336-4875, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-336-4875 |
| Primary Part Number | 220557PC17 |
| Item Name | Reticle Assembly,optical Instrum |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 3.0 MILLIMETERS NOMINAL MM |
| Graduations/markings | RANGE SCALE |
| Edge Thickness | 3.0 MILLIMETERS NOMINAL MM |
| Style Designator | CROSSLINE |
| Diameter | 122.8 MILLIMETERS NOMINAL MM |
| Axial Thickness | 4.0 MILLIMETERS NOMINAL MM |
| Rim Finish | GROUND |
| Material | GLASS |
| Refraction Index | 1.5171 NOMINAL |
| Angle in Deg | 45.0 |
| Dispersion | 46.0 MILLIMICRONS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 220557PC17 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| G8680PC17 | Keuffel and Esser Co (USA) |
NSN 1240-00-336-4875 is a Reticle Assembly,optical Instrum, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-00-336-4875 has 2 manufacturer part numbers on file: 220557PC17 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), G8680PC17 (Keuffel and Esser Co).
Key specifications for 220557PC17: Length: 3.0 MILLIMETERS NOMINAL MM; Graduations/markings: RANGE SCALE; Edge Thickness: 3.0 MILLIMETERS NOMINAL MM; Style Designator: CROSSLINE. 11 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 1240-00-336-4875 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.