FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment
Government record, cited
Also searched as6650-01-440-3520 ·
6650014403520 ·
NIIN 014403520 ·
01-440-3520 ·
FSC 6650 Optical Instruments, Test Equipment, Components and Accessories
Nearby stock numbers← 6650-01-440-2617 Holder, Optical Element
·
6650-01-440-5591 Test Set, Optical Power →
Features
Prism,optical Instrument — FSC 6650
Coating Feature: ALUMINUM WITH SILICON MONOXIDE
Surface Finish: POLISHED
Style Designator: ROOF-ANGLE
Reflectance/transmittance Percentage Ratio: 50:50
Material: GLASS OPTICAL
Angle in Deg: 90.0
Identification
NSN: 6650-01-440-3520
NIIN: 014403520
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Prism,optical Instrument, cataloged under National Stock Number 6650-01-440-3520, 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 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6650-01-440-3520
Item Name
Prism,optical Instrument
FSC / FSG
6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
Status
ACTIVE
Coating Feature
ALUMINUM WITH SILICON MONOXIDE
Surface Finish
POLISHED
Style Designator
ROOF-ANGLE
Reflectance/transmittance Percentage Ratio
50:50
Material
GLASS OPTICAL
Angle in Deg
90.0
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
680-0032
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 6650-01-440-3520?
NSN 6650-01-440-3520 is a Prism,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
What are the specifications of 6650-01-440-3520?
Key specifications for 6650-01-440-3520: Overall Height: 1.500 INCHES NOMINAL IN; Coating Feature: ALUMINUM WITH SILICON MONOXIDE; Surface Finish: POLISHED; Style Designator: ROOF-ANGLE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6650-01-440-3520 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.
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.