PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

330000Radiac Set

Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co · NSN 6665-00-851-7757 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-851-7757 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-851-7757. Primary manufacturer part number: 330000.
Features
  • Radiac Set — FSC 6665
  • Detecting Element Type: IONIZATION CHAMBER
  • Radiation Type and Function: GAMMA RAYS MEASURES
  • Energy Dependence Rating: +0.080 TO 1.300 MEV
  • Joint Electronics Type Designation System Item Type Number: MG3
  • Accessory Identifying Number: 330001 PART NO. FIRST ACCESSORY
  • Features Provided: INTERNAL BATTERY ACCOMMODATION
  • Furnished Items: CABLE ASSY,SPECIAL PURPOSE ELECTRICAL,DETECTOR,RADIAC,INDICATOR,RADIAC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Radiac Set, cataloged under National Stock Number 6665-00-851-7757, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-851-7757
Primary Part Number330000
Item NameRadiac Set
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerAirco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co
StatusACTIVE
Detecting Element TypeIONIZATION CHAMBER
Radiation Type and FunctionGAMMA RAYS MEASURES
Energy Dependence Rating+0.080 TO 1.300 MEV
Joint Electronics Type Designation System Item Type NumberMG3
Accessory Identifying Number330001 PART NO. FIRST ACCESSORY
Features ProvidedINTERNAL BATTERY ACCOMMODATION
Furnished ItemsCABLE ASSY,SPECIAL PURPOSE ELECTRICAL,DETECTOR,RADIAC,INDICATOR,RADIAC
Accessory Identifying Number330300 PART NO. SECOND ACCESSORY
Voltage in Volts and Current Type1.5 DC AND 6.0 DC AND 45.0 DC
Accessory Controlling AgencyREPUBLIC ELECTRONICS INDUSTRIES CORP,REPUBLIC ELECTRONICS INDUSTRIES CORP,REBUBLIC ELECTRONICS INDUSTRIES CORP
Accessory Identifying Number330100 PART NO. THIRD ACCESSORY
Nondefinitive Spec/std DataMG3 TYPE
Accessory Component Quantity1 THIRD ACCESSORY
Accessory Component Quantity1 SECOND ACCESSORY
Accessory Component Quantity1 FIRST ACCESSORY
Accuracy in Percent-30.0 TO 30.0 ALL RANGES
Joint Electronics Type Designation System Item NameRADIAC SET
Radiation Range Per Hour+0.5 TO 1000.0 ROENTGENS
Indicator TypeSTRIP RECORDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6685-00-078-749545 1377 AS 00B XTS 30"/0 VAC INTERCHANGEABLE
Gage,vacuum,indicating
Ashcroft Inc Dba Heise
6910-00-809-6882800-6882 INTERCHANGEABLE
Moulage,war Wound
Nasco Healthcare Inc
4920-00-831-5322 INTERCHANGEABLE
Analyzer,field Syst
6665-00-940-9620 INTERCHANGEABLE
Radiac Set
5342-01-048-6713MPNY-750NA INTERCHANGEABLE
Pad,mounting
Brady United States
6130-01-397-7760MG-3 INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
330000 Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA)
MG3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR25294B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6685-00-078-7495INTERCHANGEABLE
GAGE,VACUUM,INDICATING
45 1377 AS 00B XTS 30"/0 VAC
6910-00-809-6882INTERCHANGEABLE
MOULAGE,WAR WOUND
800-6882
4920-00-831-5322INTERCHANGEABLE
ANALYZER,FIELD SYST
6665-00-940-9620INTERCHANGEABLE
RADIAC SET
5342-01-048-6713INTERCHANGEABLE
PAD,MOUNTING
MPNY-750NA
6130-01-397-7760INTERCHANGEABLE
POWER SUPPLY
MG-3

Frequently Asked Questions

What is NSN 6665-00-851-7757?

NSN 6665-00-851-7757 is a Radiac Set, manufactured by Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-851-7757?

NSN 6665-00-851-7757 has 3 cross-referenced part numbers: 330000 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co), MG3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR25294B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6665-00-851-7757?

There are 6 known substitutes for 6665-00-851-7757: 6685-00-078-7495, 6910-00-809-6882, 4920-00-831-5322 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 330000?

Key specifications for 330000: Detecting Element Type: IONIZATION CHAMBER; Radiation Type and Function: GAMMA RAYS MEASURES; Energy Dependence Rating: +0.080 TO 1.300 MEV; Joint Electronics Type Designation System Item Type Number: MG3. 19 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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