The Borescope, cataloged under National Stock Number 6650-01-371-2198, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-371-2198 |
| Item Name | Borescope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Magnification | 1.0X NOMINAL |
| Magnification Type | FIXED |
| Optical Device Type | LENS |
| Focusing Type | ADJUSTABLE |
| Bracket | NOT PROVIDED |
| Carrying Case | PROVIDED |
| Objective Aperture Diameter | 6.0 MILLIMETERS NOMINAL MM |
| Open Drawtube Overall Length | 320.0 MILLIMETERS NOMINAL MM |
| Scale Markings | NOT PROVIDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| R060-032-090-50 | C/1 Advisory reference — outside the item-of-supply concept Olympus America Inc |
| G055-029-090-55 | 5/9 Secondary reference Olympus America Inc |
| R060-032-090-50 | 3/9 Design control — primary reference Olympus America Inc |
NSN 6650-01-371-2198 is a Borescope, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-371-2198: Magnification: 1.0X NOMINAL; Magnification Type: FIXED; Optical Device Type: LENS; Focusing Type: ADJUSTABLE. 9 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.