PartsTable TECHNICAL DATA SHEET
NSN 6650-01-668-5370Government record, cited

Test Set, Optical Power6650-01-668-5370

NSN 6650-01-668-5370 · NIIN 016685370 · Part number P4
Thorlabs, Inc · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 0LW43
Government record, cited
NSN 6650-01-668-5370 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-668-5370. Manufacturer of record part number: P4.
Also searched as  6650-01-668-5370 · 6650016685370 · NIIN 016685370 · 01-668-5370 · FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 0LW43 · P4
Nearby stock numbers  ·
Features
  • Test Set,optical Power — FSC 6650
  • Length: 4.0 INCHES NOMINAL IN
  • Diameter: 1.49 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING HOUSING
  • 1 manufacturer part number on file
  • Manufacturer of record: Thorlabs, Inc
Identification
  • NSN: 6650-01-668-5370
  • NIIN: 016685370
  • FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: P4
  • Manufacturer: Thorlabs, Inc
General Description

The Test Set,optical Power, cataloged under National Stock Number 6650-01-668-5370, 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 Thorlabs, Inc. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-668-5370
Primary Part NumberP4
Item NameTest Set,optical Power
FSC / FSG6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
ManufacturerThorlabs, Inc
StatusACTIVE
Length4.0 INCHES NOMINAL IN
Diameter1.49 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
P4 PRIMARY Thorlabs, Inc (USA)
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 6650-01-668-5370?

NSN 6650-01-668-5370 is a Test Set,optical Power, manufactured by Thorlabs, Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.

What part numbers are listed for NSN 6650-01-668-5370?

NSN 6650-01-668-5370 has 1 manufacturer part number on file: P4 (Thorlabs, Inc).

What are the specifications of P4?

Key specifications for P4: Length: 4.0 INCHES NOMINAL IN; Diameter: 1.49 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: MOUNTING POST; Material: STEEL CORROSION RESISTING HOUSING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 6650-01-668-5370 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.
PartsTable Design LLC · partstable.com