PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

661601Spectrometer,diffraction Grating

Thermo Jarrell Ash Corp Baird Div · NSN 6650-01-149-8430 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-149-8430 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-149-8430. Primary manufacturer part number: 661601.
Features
  • Spectrometer,diffraction Grating — FSC 6650
  • Lamp Quantity: 5
  • Lamp Bulb Shape Style: T TUBULAR
  • 3 verified cross-references
  • Primary manufacturer: Thermo Jarrell Ash Corp Baird Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spectrometer,diffraction Grating, cataloged under National Stock Number 6650-01-149-8430, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Jarrell Ash Corp Baird Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-149-8430
Primary Part Number661601
Item NameSpectrometer,diffraction Grating
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerThermo Jarrell Ash Corp Baird Div
StatusACTIVE
Lamp Quantity5
Lamp Bulb Shape StyleT TUBULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-018-0043661601 INTERCHANGEABLE
Thumbscrew
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6920-01-166-8334 INTERCHANGEABLE
Office Repeater
5950-01-366-953824085 INTERCHANGEABLE
Transformer,power
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
661601 PRIMARY Thermo Jarrell Ash Corp Baird Div (USA)
6650-0000-0000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
FAS-2C Thermo Jarrell Ash Corp Baird Div (USA)
Related Parts
5305-00-018-0043INTERCHANGEABLE
THUMBSCREW
661601
6920-01-166-8334INTERCHANGEABLE
OFFICE REPEATER
5950-01-366-9538INTERCHANGEABLE
TRANSFORMER,POWER
24085

Frequently Asked Questions

What is NSN 6650-01-149-8430?

NSN 6650-01-149-8430 is a Spectrometer,diffraction Grating, manufactured by Thermo Jarrell Ash Corp Baird Div, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-149-8430?

NSN 6650-01-149-8430 has 3 cross-referenced part numbers: 661601 (Thermo Jarrell Ash Corp Baird Div), 6650-0000-0000 (Defense Supply Center Richmond Industrial Plant Equipment /dla/), FAS-2C (Thermo Jarrell Ash Corp Baird Div).

What NSN replaces 6650-01-149-8430?

There are 3 known substitutes for 6650-01-149-8430: 5305-00-018-0043, 6920-01-166-8334, 5950-01-366-9538. Verify interchangeability with system specifications before substitution.

What are the specifications of 661601?

Key specifications for 661601: Lamp Quantity: 5; Lamp Bulb Shape Style: T TUBULAR; Special Features: C/O OPTICAL CALIBRATION ASSY,659029; INTEGRATOR ASSY,664830; ELECTRONIC PROCESSING GROUP,660912; EXCITATION ASSY,664875; LENS ASSY,659158; METER PANEL ASSY,656420; PANEL ASSY,661455; HV/LV POWER SUPPLY ASSY,656428; TRANSFORMER ASSY,IGNITION,659083; STAND DOOR ASSY,656424; RFI FILTER ASSY; 656422; CONTROL PANEL ASSY,659028; VISUAL READOUT PANEL ASSY,665320; OPTICAL HEAD ASSY,659029; CALIBRATION PANEL ASSY,659030; AMMETER,MR36W200DCUAR; INTEGRATOR MOTHERBOARD ASSY,664812; CIRCUIT BREAKER PANEL ASSY,656426;OVERVOLTAGE PROTECTION PANEL ASSY,656511. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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