PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4250683Indicator,radiac

Thermo Eberline Llc Div Measurement Control and Sample Identification · NSN 6665-01-574-9839 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-574-9839 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-574-9839. Primary manufacturer part number: 4250683.
Features
  • Indicator,radiac — FSC 6665
  • Width: 4.000 INCHES NOMINAL IN
  • Length: 14.000 INCHES NOMINAL IN
  • Height: 7.100 INCHES NOMINAL IN
  • Functional Description: FOR SURFACE RADIATION CONTAMINATION MEASUREMENTS
  • Presentation Type: DIGITAL DISPLAY
  • Current Type: DC
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,radiac, cataloged under National Stock Number 6665-01-574-9839, 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 Div Measurement Control and Sample Identification. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-574-9839
Primary Part Number4250683
Item NameIndicator,radiac
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerThermo Eberline Llc Div Measurement Control and Sample Identification
StatusACTIVE
Width4.000 INCHES NOMINAL IN
Length14.000 INCHES NOMINAL IN
Height7.100 INCHES NOMINAL IN
Functional DescriptionFOR SURFACE RADIATION CONTAMINATION MEASUREMENTS
Presentation TypeDIGITAL DISPLAY
Current TypeDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-039-91538382359 INTERCHANGEABLE
Wedge Metal
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-641-096912242 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
2590-00-700-084712-307 INTERCHANGEABLE
Plate,gear Thrust
Garwood/feller Inc Garwood Winch Div
5815-01-140-8086 INTERCHANGEABLE
Typing Unit,teletypewriter
3120-01-297-7478 INTERCHANGEABLE
Bushing,sleeve
3020-01-344-579712307 INTERCHANGEABLE
Gear,spur
DP Manufacturing Inc.
5330-01-577-0049766251254800 INTERCHANGEABLE
Seal,plain Encased
Axis Products Inc
Cross-Reference Index
Part NumberManufacturer
4250683 PRIMARY Thermo Eberline Llc Div Measurement Control and Sample Identification (USA)
RADEYE AB100 Thermo Eberline Llc Div Measurement Control and Sample Identification (USA)
12307 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6640NCM093537 Defense Medical Standardization Board (USA)
Related Parts
2530-00-039-9153INTERCHANGEABLE
WEDGE METAL
8382359
5330-00-641-0969INTERCHANGEABLE
SEAL,PLAIN ENCASED
12242
2590-00-700-0847INTERCHANGEABLE
PLATE,GEAR THRUST
12-307
5815-01-140-8086INTERCHANGEABLE
TYPING UNIT,TELETYPEWRITER
3120-01-297-7478INTERCHANGEABLE
BUSHING,SLEEVE
3020-01-344-5797INTERCHANGEABLE
GEAR,SPUR
12307
5330-01-577-0049INTERCHANGEABLE
SEAL,PLAIN ENCASED
766251254800

Frequently Asked Questions

What is NSN 6665-01-574-9839?

NSN 6665-01-574-9839 is a Indicator,radiac, manufactured by Thermo Eberline Llc Div Measurement Control and Sample Identification, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-574-9839?

NSN 6665-01-574-9839 has 4 cross-referenced part numbers: 4250683 (Thermo Eberline Llc Div Measurement Control and Sample Identification), RADEYE AB100 (Thermo Eberline Llc Div Measurement Control and Sample Identification), 12307 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6640NCM093537 (Defense Medical Standardization Board).

What NSN replaces 6665-01-574-9839?

There are 7 known substitutes for 6665-01-574-9839: 2530-00-039-9153, 5330-00-641-0969, 2590-00-700-0847 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4250683?

Key specifications for 4250683: Width: 4.000 INCHES NOMINAL IN; Length: 14.000 INCHES NOMINAL IN; Height: 7.100 INCHES NOMINAL IN; Special Features: SURFACE CONTAMINATION METER WITH ALPHA/BETA DISCRIMINATION; SCALER/TIMER WITH PRESET COUNT, PRESET TIME FOR SAMPLE MEASUREMENTS; CONTINUOUS RATEMETER MODE; ALPHA, BETA, AND ALPHA + BETA MODES; GROSS OR NET COUNTING; APPROX. 1000 H OPERATION TIME USING 2 C BATTERIES, RECHARGEABLE NIMH BATTERIES CAN BE USED; BACKLIT LCD DISPLAY; AUDIBLE INDICATION: SINGLE PULSE FOR ALPHA, CHIRPER MODE FOR BETA, PROPORTIONAL TO COUNT RATE; EARPHONE OUTPUT; APPROX. WT: 2 LB; WINDOW THICKNESS: 0.87 MG PER CUBIC CM ALUMINIZED PLASTIC FILM; SENSITIVE AREA: 2.71 X 5.71 IN LBS. 8 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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