NSN 6650-01-370-5265 · NIIN 013705265 · Part number 1643959
Hoosier, Inc. · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 66431
Government record, cited
NSN 6650-01-370-5265 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-370-5265. Manufacturer of record part number: 1643959.
Also searched as6650-01-370-5265 ·
6650013705265 ·
NIIN 013705265 ·
01-370-5265 ·
FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 66431 · 1643959
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 1643959
Manufacturer: Hoosier, Inc.
General Description
The Window,optical Instrument, cataloged under National Stock Number 6650-01-370-5265, 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 Hoosier, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6650-01-370-5265
Primary Part Number
1643959
Item Name
Window,optical Instrument
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 6650-01-370-5265?
NSN 6650-01-370-5265 is a Window,optical Instrument, manufactured by Hoosier, Inc., classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
What part numbers are listed for NSN 6650-01-370-5265?
NSN 6650-01-370-5265 has 2 manufacturer part numbers on file: 1643959 (Hoosier, Inc.), 1643959 (Raytheon Company Div Rmd Strategic).
What are the specifications of 1643959?
Key specifications for 1643959: Diameter: 1.375 INCHES NOMINAL IN; Special Features: CLEAR; End Item Identification: TARGET DESIGNATOR SET,ELECTRO-OPTICAL. 1 specification is documented in the U.S. Government catalog.
Is NSN 6650-01-370-5265 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 6650-01-370-5265?
NSN 6650-01-370-5265 has DEMIL Code B. 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.