The Cell Assembly,optical Instrument, cataloged under National Stock Number 1240-00-613-6899, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-613-6899 |
| Primary Part Number | 6136899 |
| Item Name | Cell Assembly,optical Instrument |
| 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 |
| FSC Application Data | PERISCOPE,INTERGRATED WITH FIRE CONTROL EQUIPMENT |
| Optical Element Controlling Agency | ORD |
| Cell Identifying Number | 5048251 DRAWING NO. |
| Optical Element Quantity | 1 |
| Overall Diameter | 0.825 INCHES NOMINAL IN |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | COMPOUND LENS |
| Thread Length | 0.438 INCHES AND 0.312 INCHES IN |
| Thread Location | INTERNAL AND EXTERNAL |
| Thread Direction | RIGHT-HAND |
| Optical Element Identifying Number | 5048237 DRAWING NO. |
| Accessory Components and Quantity | LOCKING RING,1; RETAINING RING,1 |
| Cell Controlling Agency | ORD |
| Thread Size | 0.723 IN.-48 AND 0,825 IN.-48 IN |
| Screw Thread Series Designator | UNS |
| Thread Class | 3B |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 6136899 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-00-613-6899 is a Cell Assembly,optical Instrument, 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 1240-00-613-6899 has 1 manufacturer part number on file: 6136899 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 6136899: FSC Application Data: PERISCOPE,INTERGRATED WITH FIRE CONTROL EQUIPMENT; Optical Element Controlling Agency: ORD; Cell Identifying Number: 5048251 DRAWING NO.; Optical Element Quantity: 1. 17 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.