Prism, Optical Instrument6650-01-440-1978

NSN 6650-01-440-1978 · NIIN 014401978

FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6650-01-440-1978 · 6650014401978 · NIIN 014401978 · 01-440-1978 · FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · 12-2002-1064 · 74B749038-201

Nearby stock numbers ← 6650-01-440-1827 Beam Splitter Optic · 6650-01-440-1979 Mirror, Optical Instrument →

Features

Prism,optical Instrument — FSC 6650
Style Designator: WEDGE TYPE
Material: GLASS SILICA

Identification

NSN: 6650-01-440-1978
NIIN: 014401978
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 6650-01-440-1978, 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 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6650-01-440-1978
Item Name	Prism,optical Instrument
FSC / FSG	6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
Status	ACTIVE
Style Designator	WEDGE TYPE
Material	GLASS SILICA

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
12-2002-1064	3/9 Design control — primary reference Special Optics, Inc Dba Special Optics
74B749038-201	7/2 Vendor item drawing reference The Boeing Company Div Defense

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 6650-01-440-1978?

NSN 6650-01-440-1978 is a Prism,optical Instrument, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.

What are the specifications of 6650-01-440-1978?

Key specifications for 6650-01-440-1978: Style Designator: WEDGE TYPE; Special Features: PRISM,RISLEY; 2 WEDGES MOUNTED IN A HOUSING THAT ALLOWS INDEPENDENT, MANUAL ROTATION; INDEXED DRUM DIALS TO PROVIDE DIRECT ANGULAR READOUT OF EACH WEDGE.; End Item Identification: LASER TEST SET; F/A-18; Material: GLASS SILICA. 2 specifications are documented in the U.S. Government catalog.

Is NSN 6650-01-440-1978 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.

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