NSN 6650-01-346-1990 · NIIN 013461990 · Part number USN-DK3
Olympus America Inc · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 1KY21
Government record, cited
NSN 6650-01-346-1990 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-346-1990. Manufacturer of record part number: USN-DK3.
Also searched as6650-01-346-1990 ·
6650013461990 ·
NIIN 013461990 ·
01-346-1990 ·
FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 1KY21 · USN-DK3
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: USN-DK3
Manufacturer: Olympus America Inc
General Description
The Borescope, cataloged under National Stock Number 6650-01-346-1990, 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 Olympus America Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Borescope
FSC / FSG
6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66)
Manufacturers
Olympus America Inc (CAGE 1KY21)
Technical Specifications
Parameter
Value
NSN
6650-01-346-1990
Primary Part Number
USN-DK3
Item Name
Borescope
FSC / FSG
6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
Other items in FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6650-00-000-0164
6650-00-000-0164 · Item name not on file
6650-00-001-2319
ARM,SHUTTER,SPECTROMETER
6650-00-001-2322
PLATE,MOUNTING,SPECTROMETER LAMP
6650-00-001-2323
LENS,OPTICAL INSTRUMENT
6650-00-001-2324
PLATE,SPECTROMETER DOOR
6650-00-001-2326
NOZZLE,AIR,SPECTROMETER
6650-00-001-2327
PLATE,LEFT,SPECTROMETER
6650-00-001-2328
6650-00-001-2328 · Item name not on file
Frequently Asked Questions
What is NSN 6650-01-346-1990?
NSN 6650-01-346-1990 is a Borescope, manufactured by Olympus America Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
What part numbers are listed for NSN 6650-01-346-1990?
NSN 6650-01-346-1990 has 1 manufacturer part number on file: USN-DK3 (Olympus America Inc).
Is NSN 6650-01-346-1990 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 6650-01-346-1990?
NSN 6650-01-346-1990 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.