The Retainer,optical Element, cataloged under National Stock Number 1240-00-504-8600, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 14 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 | 1240-00-504-8600 |
| Primary Part Number | 5048600 |
| Item Name | Retainer,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Diameter | 1.640 INCHES NOMINAL IN |
| FSC Application Data | TELESCOPE |
| Shoulder Length | 0.100 INCHES NOMINAL IN |
| Hole or Slot Quantity | 2 |
| Drive Type | DRILLED HOLE |
| Drive Facility Angular Spacing in Deg | 180.0 |
| Shoulder Thread Size | 1.530 IN.-36 IN |
| Style Designator | SHOULDERED |
| Setscrew Notch | PROVIDED |
| Guide Location | EDGE OPPOSITE DRIVE EDGE |
| Guide Design | THREAD RELIEF |
| Internal Annular Serration | NOT PROVIDED |
| Material | COPPER ALLOY 360 |
| Hole Diameter | 1.200 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 |
NSN 1240-00-504-8600 is a Retainer,optical Element, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-00-504-8600 has 2 manufacturer part numbers on file: 5048600 (Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc), 5048600 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5048600: Flange Diameter: 1.640 INCHES NOMINAL IN; FSC Application Data: TELESCOPE; Shoulder Length: 0.100 INCHES NOMINAL IN; Hole or Slot Quantity: 2. 14 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.