PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS1Radioactive Test Sample

Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific · NSN 6665-00-903-7732 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-903-7732 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-903-7732. Primary manufacturer part number: CS1.
Features
  • Radioactive Test Sample — FSC 6665
  • Radioactive Material: PU 239
  • Nominal Activity: 0.015 TO 0.020 MILLICURIE
  • Half-Life in Years: 24400.0
  • Radiation Reference: STANDARD
  • Calibrated Feature: NOT INCLUDED
  • Radioactive Magnitude Rating: 5.15 MILLION ELECTRON VOLTS
  • Radiation Type Emitted: ALPHA RAYS
Applications
  • Applications requiring Steel Corrosion Resisting Holder construction
General Description

The Radioactive Test Sample, cataloged under National Stock Number 6665-00-903-7732, 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 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-903-7732
Primary Part NumberCS1
Item NameRadioactive Test Sample
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerThermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific
StatusACTIVE
Radioactive MaterialPU 239
Nominal Activity0.015 TO 0.020 MILLICURIE
Half-Life in Years24400.0
Radiation ReferenceSTANDARD
Calibrated FeatureNOT INCLUDED
Radioactive Magnitude Rating5.15 MILLION ELECTRON VOLTS
Radiation Type EmittedALPHA RAYS
MaterialSTEEL CORROSION RESISTING HOLDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-251-6481C1 INTERCHANGEABLE
Scraper,carbon,flexible
Durston Manufacturing Company Dba Vim Tools
5930-00-310-8729355-161-011 INTERCHANGEABLE
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5110-00-449-7771CS1 INTERCHANGEABLE
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Cornwell Quality Tools Company, the
3110-00-471-6505 INTERCHANGEABLE
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5305-00-820-4011330-2467-000 INTERCHANGEABLE
Setscrew
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
9330-00-974-0727CS1 INTERCHANGEABLE
Strip
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3455-01-047-180351-10714 INTERCHANGEABLE
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Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
6515-01-153-5377CS-1 INTERCHANGEABLE
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5110-01-335-1365CS1 INTERCHANGEABLE
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Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
CS1 PRIMARY Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA)
Related Parts
5110-00-251-6481INTERCHANGEABLE
SCRAPER,CARBON,FLEXIBLE
C1
5930-00-310-8729INTERCHANGEABLE
SWITCH SECTION,ROTARY
355-161-011
5110-00-449-7771INTERCHANGEABLE
SCRAPER CARBON SPOO
CS1
3110-00-471-6505INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-00-820-4011INTERCHANGEABLE
SETSCREW
330-2467-000
9330-00-974-0727INTERCHANGEABLE
STRIP
CS1
3455-01-047-1803INTERCHANGEABLE
CUTTER,MILLING,END
51-10714
6515-01-153-5377INTERCHANGEABLE
SUPPORT,ELBOW
CS-1
4460-01-268-2458INTERCHANGEABLE
PRINT VAPOR ELIMINATOR SYSTEM
5110-01-335-1365INTERCHANGEABLE
SCRAPER,CARBON,FLEXIBLE
CS1
5110-01-473-1814INTERCHANGEABLE
STRIPPER,CABLE,HAND
AP01224
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TRANSDUCER,MOTIONAL PICKUP
4360545

Frequently Asked Questions

What is NSN 6665-00-903-7732?

NSN 6665-00-903-7732 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 6665-00-903-7732?

NSN 6665-00-903-7732 has 1 cross-referenced part number: CS1 (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific).

What NSN replaces 6665-00-903-7732?

There are 12 known substitutes for 6665-00-903-7732: 5110-00-251-6481, 5930-00-310-8729, 5110-00-449-7771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS1?

Key specifications for CS1: Radioactive Material: PU 239; Nominal Activity: 0.015 TO 0.020 MILLICURIE; Half-Life in Years: 24400.0; Radiation Reference: STANDARD. 11 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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