PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440ARadiacmeter

Heico Ohmite Llc Dba Ohmite Mfg Co Inc · NSN 6665-00-938-6806 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-938-6806 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-938-6806. Primary manufacturer part number: 440A.
Features
  • Radiacmeter — FSC 6665
  • Detecting Element Type: IONIZATION CHAMBER
  • Indicator Type: METER
  • Material: STEEL CASE
  • Portability: PORTABLE
  • Surface Treatment: ENAMEL CASE
  • Features Provided: INTERNAL BATTERY ACCOMMODATION
  • Voltage in Volts and Current Type: 6.0 DC
Applications
  • Applications requiring Steel Case construction
General Description

The Radiacmeter, cataloged under National Stock Number 6665-00-938-6806, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Heico Ohmite Llc Dba Ohmite Mfg Co Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-938-6806
Primary Part Number440A
Item NameRadiacmeter
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerHeico Ohmite Llc Dba Ohmite Mfg Co Inc
StatusACTIVE
Detecting Element TypeIONIZATION CHAMBER
Indicator TypeMETER
MaterialSTEEL CASE
PortabilityPORTABLE
Surface TreatmentENAMEL CASE
Features ProvidedINTERNAL BATTERY ACCOMMODATION
Voltage in Volts and Current Type6.0 DC
Carrying CaseNOT PROVIDED
Radiation Range Per Hour+0.0 TO 100.0 MILLIROENTGENS
Radiation Type and FunctionALPHA RAYS MEASURES AND BETA RAYS MEASURES AND GAMMA RAYS MEASURES AND X-RAYS MEASURES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-144-8971268374-5 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-194-2967 INTERCHANGEABLE
Jack,telephone
5930-00-221-89929095 INTERCHANGEABLE
Switch,push
Cole Hersee Company
6645-00-515-6147 INTERCHANGEABLE
Timer,interval
6625-00-752-5311440A INTERCHANGEABLE
Detector,radio Frequency
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
440A Heico Ohmite Llc Dba Ohmite Mfg Co Inc (USA)
440 Heico Ohmite Llc Dba Ohmite Mfg Co Inc (USA)
Related Parts
3110-00-144-8971INTERCHANGEABLE
BEARING,BALL,ANNULAR
268374-5
5935-00-194-2967INTERCHANGEABLE
JACK,TELEPHONE
5930-00-221-8992INTERCHANGEABLE
SWITCH,PUSH
9095
6645-00-515-6147INTERCHANGEABLE
TIMER,INTERVAL
6625-00-752-5311INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
440A

Frequently Asked Questions

What is NSN 6665-00-938-6806?

NSN 6665-00-938-6806 is a Radiacmeter, manufactured by Heico Ohmite Llc Dba Ohmite Mfg Co Inc, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-938-6806?

NSN 6665-00-938-6806 has 2 cross-referenced part numbers: 440A (Heico Ohmite Llc Dba Ohmite Mfg Co Inc), 440 (Heico Ohmite Llc Dba Ohmite Mfg Co Inc).

What NSN replaces 6665-00-938-6806?

There are 5 known substitutes for 6665-00-938-6806: 3110-00-144-8971, 5935-00-194-2967, 5930-00-221-8992 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 440A?

Key specifications for 440A: Detecting Element Type: IONIZATION CHAMBER; Indicator Type: METER; Material: STEEL CASE; Portability: PORTABLE. 14 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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