PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILR22307ARadiac Set

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6665-00-690-5279 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-690-5279 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-690-5279. Primary manufacturer part number: MILR22307A.
Features
  • Radiac Set — FSC 6665
  • Detecting Element Type: GEIGER TUBE
  • Features Provided: INTERNAL BATTERY ACCOMMODATION
  • Voltage in Volts and Current Type: 3.0 DC
  • Indicator Type: METER
  • Radiation Type and Function: GAMMA RAYS DETECTS SECOND ACCESSORY
  • Radiation Type and Function: GAMMA RAYS MEASURES THIRD ACCESSORY
  • Radiation Range Per Hour: +0.0 TO 500.0 ROENTGENS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Radiac Set, cataloged under National Stock Number 6665-00-690-5279, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6665-00-690-5279
Primary Part NumberMILR22307A
Item NameRadiac Set
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Detecting Element TypeGEIGER TUBE
Features ProvidedINTERNAL BATTERY ACCOMMODATION
Voltage in Volts and Current Type3.0 DC
Indicator TypeMETER
Radiation Type and FunctionGAMMA RAYS DETECTS SECOND ACCESSORY
Radiation Type and FunctionGAMMA RAYS MEASURES THIRD ACCESSORY
Radiation Range Per Hour+0.0 TO 500.0 ROENTGENS
Radiation Type and FunctionBETA RAYS DETECTS FIRST ACCESSORY
Accuracy in Percent-20.0 TO 20.0 ALL RANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3040-00-378-1123 INTERCHANGEABLE
Piston,linear Actuating Cylinder
6685-00-814-5271 INTERCHANGEABLE
Transmitter,temperature,electric
Cross-Reference Index
Part NumberManufacturer
MILR22307A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ANPDR43A Joint Electronics Type Designation System (USA)
506A Heico Ohmite Llc Dba Ohmite Mfg Co Inc (USA)
Related Parts
3040-00-378-1123INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
6685-00-814-5271INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC

Frequently Asked Questions

What is NSN 6665-00-690-5279?

NSN 6665-00-690-5279 is a Radiac Set, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6665 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6665-00-690-5279?

NSN 6665-00-690-5279 has 3 cross-referenced part numbers: MILR22307A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ANPDR43A (Joint Electronics Type Designation System), 506A (Heico Ohmite Llc Dba Ohmite Mfg Co Inc).

What NSN replaces 6665-00-690-5279?

There are 2 known substitutes for 6665-00-690-5279: 3040-00-378-1123, 6685-00-814-5271. Verify interchangeability with system specifications before substitution.

What are the specifications of MILR22307A?

Key specifications for MILR22307A: Detecting Element Type: GEIGER TUBE; Features Provided: INTERNAL BATTERY ACCOMMODATION; Voltage in Volts and Current Type: 3.0 DC; Indicator Type: METER. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6665-00-690-5279 still in active supply?

NSN 6665-00-690-5279 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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