PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS-13Radioactive Test Sample

Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific · NSN 6665-01-325-8123 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-325-8123 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-325-8123. Primary manufacturer part number: CS-13.
Features
  • Radioactive Test Sample — FSC 6665
  • Calibrated Feature: INCLUDED
  • Radiation Reference: NONSTANDARD
  • Radioactive Magnitude Rating: 0.01 MICROCURIES
  • Overall Diameter: 2.000 INCHES NOMINAL IN
  • Radiation Type Emitted: BETA RAYS
  • 1 verified cross-reference
  • Primary manufacturer: Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Radioactive Test Sample, cataloged under National Stock Number 6665-01-325-8123, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-325-8123
Primary Part NumberCS-13
Item NameRadioactive Test Sample
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerThermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific
StatusACTIVE
Calibrated FeatureINCLUDED
Radiation ReferenceNONSTANDARD
Radioactive Magnitude Rating0.01 MICROCURIES
Overall Diameter2.000 INCHES NOMINAL IN
Radiation Type EmittedBETA RAYS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-846-0679CS13 INTERCHANGEABLE
Setscrew
Roller Bearing Co of America, Inc Div Pic Design
4330-00-973-3909A2066 INTERCHANGEABLE
Filter Element,fluid
Kaydon Custom Filtration Corporation
Cross-Reference Index
Part NumberManufacturer
CS-13 PRIMARY Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA)
Related Parts
5305-00-846-0679INTERCHANGEABLE
SETSCREW
CS13
4330-00-973-3909INTERCHANGEABLE
FILTER ELEMENT,FLUID
A2066

Frequently Asked Questions

What is NSN 6665-01-325-8123?

NSN 6665-01-325-8123 is a Radioactive Test Sample, manufactured by Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-325-8123?

NSN 6665-01-325-8123 has 1 cross-referenced part number: CS-13 (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific).

What NSN replaces 6665-01-325-8123?

There are 2 known substitutes for 6665-01-325-8123: 5305-00-846-0679, 4330-00-973-3909. Verify interchangeability with system specifications before substitution.

What are the specifications of CS-13?

Key specifications for CS-13: Calibrated Feature: INCLUDED; Radiation Reference: NONSTANDARD; Radioactive Magnitude Rating: 0.01 MICROCURIES; Overall Diameter: 2.000 INCHES NOMINAL IN. 5 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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