The Lens,optical Instrument, cataloged under National Stock Number 6650-01-466-5997, 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 Mccrone Walter C Associates Inc Mccrone Accessories and Components Div. Government technical data includes 1 specification, 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 | 6650-01-466-5997 |
| Primary Part Number | 289-F2 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Mccrone Walter C Associates Inc Mccrone Accessories and Components Div |
| Status | ACTIVE |
| Axial Thickness | 180.0 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 |
|---|---|
| 289-F2 PRIMARY | Mccrone Walter C Associates Inc Mccrone Accessories and Components Div (USA) |
NSN 6650-01-466-5997 is a Lens,optical Instrument, manufactured by Mccrone Walter C Associates Inc Mccrone Accessories and Components Div, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-466-5997 has 1 manufacturer part number on file: 289-F2 (Mccrone Walter C Associates Inc Mccrone Accessories and Components Div).
Key specifications for 289-F2: Axial Thickness: 180.0 MILLIMETERS NOMINAL MM; Special Features: 10X CENTRAL STOP FOR INFINITY CORRECTED MICROSCOPES; DISPERSION STAINING IS BASED ON THE DIFFERENCE BETWEEN REFRACTIVE INDEX DISPERSIONS OF THE PARTICULATE SOLID AND LIQUID MEDIUM IN WHICH THE SOLIDS ARE IMMERSED. 1 specification is 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.