Radiation Type and Function: GAMMA RAYS DETECTS AND X-RAYS DETECTS
Surface Treatment: ANODIZE CASE
Identification
NSN: 6665-01-253-8020
NIIN: 012538020
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Radiacmeter, cataloged under National Stock Number 6665-01-253-8020, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6665-01-253-8020
Item Name
Radiacmeter
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Status
ACTIVE
FSC Application Data
NEUTRON TA455BACD
Indicator Type
DIRECT READING
Overall Diameter
0.562 INCHES NOMINAL IN
Portability
PORTABLE
Detecting Element Type
IONIZATION CHAMBER
Radiation Type and Function
GAMMA RAYS DETECTS AND X-RAYS DETECTS
Surface Treatment
ANODIZE CASE
Carrying Case
PROVIDED
Material
ALUMINUM CASE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
609
3/9Design control — primary reference
Dosimeter Corp of America
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 6665-01-253-8020?
NSN 6665-01-253-8020 is a Radiacmeter, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What are the specifications of 6665-01-253-8020?
Key specifications for 6665-01-253-8020: FSC Application Data: NEUTRON TA455BACD; Indicator Type: DIRECT READING; Overall Diameter: 0.562 INCHES NOMINAL IN; Portability: PORTABLE. 9 specifications are documented in the U.S. Government catalog.
Is NSN 6665-01-253-8020 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.