PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ANPDRT1BIndicator,radiac

Lfe Instruments a Mark IV Co · NSN 6665-00-188-5555 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-188-5555 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-188-5555. Primary manufacturer part number: ANPDRT1B.
Features
  • Indicator,radiac — FSC 6665
  • Nondefinitive Spec/std Data: AN/PDR-T1 TYPE
  • 8 verified cross-references
  • Primary manufacturer: Lfe Instruments a Mark IV Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,radiac, cataloged under National Stock Number 6665-00-188-5555, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lfe Instruments a Mark IV Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-188-5555
Primary Part NumberANPDRT1B
Item NameIndicator,radiac
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusACTIVE
Nondefinitive Spec/std DataAN/PDR-T1 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-0209350 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Nsk Corp Bearing Div
6665-00-526-8648 INTERCHANGEABLE
Radiac Set
5975-00-768-2971 INTERCHANGEABLE
Cover,conduit Outlet
5950-01-211-26358002594 INTERCHANGEABLE
Reactor
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
ANPDRT1B Lfe Instruments a Mark IV Co (USA)
K350 Ge Medical Systems (FRA)
AMPRT1A Joint Electronics Type Designation System (USA)
AMPRT1B Joint Electronics Type Designation System (USA)
AMPRT1 Joint Electronics Type Designation System (USA)
ANPDRT1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SCD61804 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MILR10060 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-100-0209INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
350
6665-00-526-8648INTERCHANGEABLE
RADIAC SET
5975-00-768-2971INTERCHANGEABLE
COVER,CONDUIT OUTLET
5950-01-211-2635INTERCHANGEABLE
REACTOR
8002594

Frequently Asked Questions

What is NSN 6665-00-188-5555?

NSN 6665-00-188-5555 is a Indicator,radiac, manufactured by Lfe Instruments a Mark IV Co, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-188-5555?

NSN 6665-00-188-5555 has 8 cross-referenced part numbers: ANPDRT1B (Lfe Instruments a Mark IV Co), K350 (Ge Medical Systems), AMPRT1A (Joint Electronics Type Designation System), AMPRT1B (Joint Electronics Type Designation System), AMPRT1 (Joint Electronics Type Designation System) and 3 more.

What NSN replaces 6665-00-188-5555?

There are 4 known substitutes for 6665-00-188-5555: 3110-00-100-0209, 6665-00-526-8648, 5975-00-768-2971 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ANPDRT1B?

Key specifications for ANPDRT1B: Nondefinitive Spec/std Data: AN/PDR-T1 TYPE; Special Features: 10 IN. LG,6 IN. W,5 IN. H;3.75 IN. DIA DIAL;20 MA SIGNAL AMPLITUDE FRO FULL DEFLECTION;PRESENTATION Q/50,000 MILLIROENTGEN U PER HR W/1,5,10,50,100,1000,10,000 MARKINGS;POWER RQMTS 1.5V 300MA,3V 30MA,2V 0/.02MA,46.8V 0.42MA,23.4V 0.018MA;ACCESSORIES 1 ALLEN WRENCH AND WAR DEPT TECH MANUAL NO. TM11-5514;LIGHTING FOR NIGHT OPERATIONS,LEVER OPERATED RANGE SCALE,RADIAC TRAINING SET V. 2 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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