The Microscope,optical, cataloged under National Stock Number 6650-01-079-5575, 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 Bausch & Lomb Inc. Government technical data includes 30 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 | 6650-01-079-5575 |
| Primary Part Number | MSBA2FS |
| Item Name | Microscope,optical |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Bausch & Lomb Inc |
| Status | ACTIVE |
| Stage Type | MECHANICAL |
| Nosepiece Design | TURRET |
| Body Tube Bertrand Lens | NOT PROVIDED |
| Magnification | 10.0X NOMINAL AND 20.0X NOMINAL AND 40.0X NOMINAL |
| Usage Design | METALLURGY |
| Lens Type | ACHROMATIC |
| Stage Calibration Facility | GRADUATED SCALE |
| Body Tube Accessroy Slot | NOT PROVIDED |
| Design Type | GENERAL PURPOSE |
| Eyepiece Magnification | 10 |
| Focusing Type | ADJUSTABLE |
| Eyepiece Quantity | 2 |
| Objective Iris Diaphragm | NOT PROVIDED |
| Mounted Cross Hairs | NOT PROVIDED |
| Accessory Components and Quantity | DUST COVER,1; EYEGUARDS,1 PR; SENSITIVE TINT PLATE,1; OBLIQUE LIGHT,1; SPECIMEN LEVELER,1 |
| Body Tube Position | INCLINED |
| Polarizer | PROVIDED |
| Disc Insert Usage Design | NOT PROVIDED |
| Objective Type | DRY |
| Nonstereoscopic Type | BINOCULAR |
| Funnel Stop Design Feature | NOT PROVIDED |
| Eyepiece Designator | WIDE FIELD |
| Stage Shape | RECTANGULAR |
| Lens Coating Feature | COATED |
| Carrying Case | NOT PROVIDED |
| Nosepiece Place Quantity | 3 |
| Mounted Micrometer Scale | NOT PROVIDED |
| Cover Glass Correction Collar | NOT PROVIDED |
| Body Tube Analyzer | INCLUDED |
| Body Tube Interchangeability Feature | PROVIDED |
| 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 |
|---|---|
| MSBA2FS PRIMARY | Bausch & Lomb Inc (USA) |
NSN 6650-01-079-5575 is a Microscope,optical, manufactured by Bausch & Lomb Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-079-5575 has 1 manufacturer part number on file: MSBA2FS (Bausch & Lomb Inc).
Key specifications for MSBA2FS: Stage Type: MECHANICAL; Nosepiece Design: TURRET; Body Tube Bertrand Lens: NOT PROVIDED; Magnification: 10.0X NOMINAL AND 20.0X NOMINAL AND 40.0X NOMINAL. 30 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.