The Borescope, cataloged under National Stock Number 6650-01-038-9079, 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 Gyrus Acmi L.p. Dba Circon-Acmi Div. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-038-9079 |
| Primary Part Number | BFO-04280DNK |
| Item Name | Borescope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Gyrus Acmi L.p. Dba Circon-Acmi Div |
| Status | ACTIVE |
| Magnification | 10.0X MINIMUM AND 20.0X MAXIMUM |
| Diopter Scale | NOT INCLUDED |
| Magnification Type | VARIABLE |
| Optical Device Type | LENS |
| Focusing Type | ADJUSTABLE |
| Bracket | NOT PROVIDED |
| Carrying Case | PROVIDED |
| Objective Aperture Diameter | 4.0 MILLIMETERS NOMINAL MM |
| Open Drawtube Overall Length | 280.0 MILLIMETERS NOMINAL MM |
| Scale Markings | NOT PROVIDED |
| 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 |
|---|---|
| BFO-04280DNK PRIMARY | Gyrus Acmi L.p. Dba Circon-Acmi Div (USA) |
| Reference | Meaning |
|---|---|
| BFO-1609D | 5/9 Secondary reference Gyrus Acmi L.p. Dba Circon-Acmi Div |
| BFO-04225DNK | 5/9 Secondary reference Gyrus Acmi L.p. Dba Circon-Acmi Div |
| BFO-04225DK | 5/9 Secondary reference Gyrus Acmi L.p. Dba Circon-Acmi Div |
NSN 6650-01-038-9079 is a Borescope, manufactured by Gyrus Acmi L.p. Dba Circon-Acmi Div, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-038-9079 has 1 manufacturer part number on file: BFO-04280DNK (Gyrus Acmi L.p. Dba Circon-Acmi Div).
Key specifications for BFO-04280DNK: Magnification: 10.0X MINIMUM AND 20.0X MAXIMUM; Diopter Scale: NOT INCLUDED; Magnification Type: VARIABLE; Optical Device Type: LENS. 10 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 6650-01-038-9079 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.