PartsTable TECHNICAL DATA SHEET
NSN 6665-01-534-9935Government record, cited

Probe, Radiac6665-01-534-9935

NSN 6665-01-534-9935 · NIIN 015349935 · Part number FH40TG
Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 04596
Government record, cited
NSN 6665-01-534-9935 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-534-9935. Manufacturer of record part number: FH40TG.
Also searched as  6665-01-534-9935 · 6665015349935 · NIIN 015349935 · 01-534-9935 · FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 04596 · FH40TG · 4254051
Nearby stock numbers  ·
Features
  • Probe,radiac — FSC 6665
  • Controlling Agency: GEIGER-MUELLER
  • Detecting Element Quantity: 2
  • Identifying Number: FHZ612 PART NO.
  • Detecting Element Type: GEIGER-MUELLER TUBE
  • Material: ALUMINUM PROBE BODY
  • Material: FIBERGLASS LOCATION NOT OTHERWISE SPECIFIED
  • 2 manufacturer part numbers on file
Identification
  • NSN: 6665-01-534-9935
  • NIIN: 015349935
  • FSC: 6665 — Hazard-detecting Instruments and Apparatus
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: FH40TG
  • Manufacturer: Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific
General Description

The Probe,radiac, cataloged under National Stock Number 6665-01-534-9935, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-534-9935
Primary Part NumberFH40TG
Item NameProbe,radiac
FSC / FSG6665 / 66 — Hazard-detecting Instruments and Apparatus
ManufacturerThermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific
StatusACTIVE
Controlling AgencyGEIGER-MUELLER
Detecting Element Quantity2
Identifying NumberFHZ612 PART NO.
Detecting Element TypeGEIGER-MUELLER TUBE
MaterialALUMINUM PROBE BODY
MaterialFIBERGLASS LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4254051 Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA)
FH40TG PRIMARY Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA)
No interchangeability data on file.
Other items in FSC 6665 — Hazard-detecting Instruments and Apparatus
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6665-00-001-2316
6665-00-001-2316 · Item name not on file
6665-00-001-5355
RADIACMETER
6665-00-006-0951
6665-00-006-0951 · Item name not on file
6665-00-007-6584
6665-00-007-6584 · Item name not on file
6665-00-008-8883
6665-00-008-8883 · Item name not on file
6665-00-009-9478
COUNTER,RATEMETER
6665-00-009-9492
RADIACMETER
6665-00-010-0061
6665-00-010-0061 · Item name not on file

Frequently Asked Questions

What is NSN 6665-01-534-9935?

NSN 6665-01-534-9935 is a Probe,radiac, manufactured by Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.

What part numbers are listed for NSN 6665-01-534-9935?

NSN 6665-01-534-9935 has 2 manufacturer part numbers on file: 4254051 (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific), FH40TG (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific).

What are the specifications of FH40TG?

Key specifications for FH40TG: Controlling Agency: GEIGER-MUELLER; Detecting Element Quantity: 2; Identifying Number: FHZ612 PART NO.; Detecting Element Type: GEIGER-MUELLER TUBE. 6 specifications are documented in the U.S. Government catalog.

Is NSN 6665-01-534-9935 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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.
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