The Scale,diopter, cataloged under National Stock Number 1240-01-287-6399, 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 6 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 | 1240-01-287-6399 |
| Primary Part Number | 8270279 |
| Item Name | Scale,diopter |
| 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 |
| Material Document and Classification | QQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/3, T3 FED SPEC SINGLE MATERIAL RESPONSE |
| Scale Unit of Measure Inscription | 10 GRADUATIONS FROM "10" TO "90" |
| Overall Outside Diameter | 1.380 INCHES NOMINAL IN |
| Scale Division Quantity | 100 |
| Inside Diameter | 1.3120 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8270279 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-01-287-6399 is a Scale,diopter, 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 1240-01-287-6399 has 1 manufacturer part number on file: 8270279 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8270279: Overall Height: 0.360 INCHES NOMINAL IN; Material Document and Classification: QQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/3, T3 FED SPEC SINGLE MATERIAL RESPONSE; Scale Unit of Measure Inscription: 10 GRADUATIONS FROM "10" TO "90"; Overall Outside Diameter: 1.380 INCHES NOMINAL IN. 6 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 1240-01-287-6399 has DEMIL Code B. 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.