The Objective,microscope, cataloged under National Stock Number 6650-01-528-4915, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Melles Griot Inc. 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 | 6650-01-528-4915 |
| Primary Part Number | 04OAS004 |
| Item Name | Objective,microscope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Melles Griot Inc |
| Status | ACTIVE |
| Magnification | 2.50X NOMINAL |
| Lens Type | ACHROMATIC |
| Lens Coating Feature | COATED |
| Working Distance | 42.00 MILLIMETERS NOMINAL MM |
| Lens Focal Length | 43.10 MILLIMETERS NOMINAL MM |
| Working Distance Excluding Front Element | 42.00 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 04OAS004 PRIMARY | Melles Griot Inc (USA) |
NSN 6650-01-528-4915 is a Objective,microscope, manufactured by Melles Griot Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-528-4915 has 1 manufacturer part number on file: 04OAS004 (Melles Griot Inc).
Key specifications for 04OAS004: Magnification: 2.50X NOMINAL; Lens Type: ACHROMATIC; Special Features: ACHROMATIC (CORRECTED AT 656.3 AND 486.1NM, RMS (0.8 INCH 36-TPI) MOUNTING THREAD MATCHES INDUSTRY STANDARD AND COMPATIBLE OTHER MICROSCOPES COLOR CODED TO EASILY ID POWER,POWER TOLERANCE 5%, COLOR CORRECTED FOR VISUAL INPECTION AND VIEWING, IDEAL BLK AND WHITE MICROPHOTOGRAPHY,USEFUL LASER BEAMS FOR FOCUSING SPATIAL FILTERS AND BEAM EXPANDERS IN; Lens Coating Feature: COATED. 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.
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.