The Cover,fire Control Instrument, cataloged under National Stock Number 1240-00-658-2823, 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 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-658-2823 |
| Primary Part Number | 6582823 |
| Item Name | Cover,fire Control 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 |
| Mounting Configuration | TEN GROMMET TYPE THREE,CLASS THREE |
| Application Design | RADAR SET GROUP |
| Material | COTTON |
| 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 |
|---|---|
| 6582823 | Mm Reif Ltd (USA) |
| 6582823 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 6582823 | Breton Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1240-658-2823 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6582823 | 5/9 Secondary reference U.S. Government activity |
NSN 1240-00-658-2823 is a Cover,fire Control 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 1240-00-658-2823 has 3 manufacturer part numbers on file: 6582823 (Mm Reif Ltd), 6582823 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 6582823 (Breton Industries, Inc).
1 possible match (shared part number, not a government interchangeability claim): 1240-00-675-0474. Verify interchangeability with system specifications before substitution.
Key specifications for 6582823: Mounting Configuration: TEN GROMMET TYPE THREE,CLASS THREE; Application Design: RADAR SET GROUP; Material: COTTON. 3 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.