The Retainer,optical Element, cataloged under National Stock Number 1240-00-336-4863, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1240-00-336-4863 |
| Primary Part Number | 176680PC7 |
| Item Name | Retainer,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Diameter | 2.196 INCHES NOMINAL IN |
| Shoulder Length | 0.172 INCHES NOMINAL IN |
| Hole or Slot Quantity | 2 |
| Drive Type | SLOTTED |
| Drive Facility Angular Spacing in Deg | 180.0 |
| Shoulder Thread Size | 1.993 IN.-36 IN |
| Style Designator | SHOULDERED |
| Setscrew Notch | NOT PROVIDED |
| Guide Location | EDGE OPPOSITE DRIVE EDGE |
| Guide Design | THREAD RELIEF |
| Depth | 0.062 INCHES NOMINAL IN |
| Width | 0.062 INCHES NOMINAL IN |
| Internal Annular Serration | NOT PROVIDED |
| Material | STEEL |
| Hole Diameter | 1.812 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 176680PC7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 176680PC7 | 5/9 Secondary reference Bausch and Lomb Inc Optical Systems Div Optical Center |
NSN 1240-00-336-4863 is a Retainer,optical Element, 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 1240-00-336-4863 has 1 manufacturer part number on file: 176680PC7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 176680PC7: Flange Diameter: 2.196 INCHES NOMINAL IN; Shoulder Length: 0.172 INCHES NOMINAL IN; Hole or Slot Quantity: 2; Drive Type: SLOTTED. 15 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.
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.