NSN 6665-01-735-4653 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-735-4653. Manufacturer of record part number: 48-3258.
Also searched as6665-01-735-4653 ·
6665017354653 ·
NIIN 017354653 ·
01-735-4653 ·
FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 23609 · 48-3258 · 52-1-1
Voltage in Volts and Current Type: 85.0 AC AND 250.0 AC
Detecting Element Type: SCINTILLATION
Radiation Type and Function: BETA RAYS DETECTS AND GAMMA RAYS DETECTS OVERALL
Nondefinitive Spec/std Data: I+40 CLASS
Usage Design: PORTABLE PORTAL MONITOR IS USED FOR BETA-GAMMA CONTAMINATION MONITORING ONPERSONNEL.THEY ARE DESIGNED TO BE DISASSEMBLED FOR EASE OF TRANSPORTATION AND STORAGE,AND CAN BE SET UP IN FIVE MINUTES OR LESS WITHOUT ANY TOOLS.
Identification
NSN: 6665-01-735-4653
NIIN: 017354653
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 48-3258
Manufacturer: Ludlum Measurements Inc
General Description
The Radiac Set, cataloged under National Stock Number 6665-01-735-4653, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ludlum Measurements Inc. Government technical data includes 7 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
Parameter
Value
NSN
6665-01-735-4653
Primary Part Number
48-3258
Item Name
Radiac Set
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Manufacturer
Ludlum Measurements Inc
Status
ACTIVE
Indicator Type
COUNTER AND AUDIO
Frequency in Hertz
50.0 AND 60.0
Voltage in Volts and Current Type
85.0 AC AND 250.0 AC
Detecting Element Type
SCINTILLATION
Radiation Type and Function
BETA RAYS DETECTS AND GAMMA RAYS DETECTS OVERALL
Nondefinitive Spec/std Data
I+40 CLASS
Usage Design
PORTABLE PORTAL MONITOR IS USED FOR BETA-GAMMA CONTAMINATION MONITORING ONPERSONNEL.THEY ARE DESIGNED TO BE DISASSEMBLED FOR EASE OF TRANSPORTATION AND STORAGE,AND CAN BE SET UP IN FIVE MINUTES OR LESS WITHOUT ANY TOOLS.
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 6665-01-735-4653?
NSN 6665-01-735-4653 is a Radiac Set, manufactured by Ludlum Measurements Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What part numbers are listed for NSN 6665-01-735-4653?
NSN 6665-01-735-4653 has 2 manufacturer part numbers on file: 52-1-1 (Ludlum Measurements Inc), 48-3258 (Ludlum Measurements Inc).
What are the specifications of 48-3258?
Key specifications for 48-3258: Overall Height: 2110.0 MILLIMETERS NOMINAL MM; Indicator Type: COUNTER AND AUDIO; Frequency in Hertz: 50.0 AND 60.0; Voltage in Volts and Current Type: 85.0 AC AND 250.0 AC. 7 specifications are documented in the U.S. Government catalog.
Is NSN 6665-01-735-4653 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.