PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

47-1535Probe,radiac

Ludlum Measurements Inc · NSN 6665-01-308-8527 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-308-8527 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-308-8527. Primary manufacturer part number: 47-1535.
Features
  • Probe,radiac — FSC 6665
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Case Surface Treatment: PAINT
  • Detecting Element Type: SCINTILLATION
  • 2 verified cross-references
  • Primary manufacturer: Ludlum Measurements Inc
Applications
  • Applications requiring Steel Case construction
General Description

The Probe,radiac, cataloged under National Stock Number 6665-01-308-8527, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ludlum Measurements Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-308-8527
Primary Part Number47-1535
Item NameProbe,radiac
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerLudlum Measurements Inc
StatusACTIVE
Overall Diameter1.000 INCHES NOMINAL IN
MaterialSTEEL CASE
Case Surface TreatmentPAINT
Detecting Element TypeSCINTILLATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-085-36685707 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5310-00-941-0157471535 INTERCHANGEABLE
Washer,key
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-01-238-0493550710-75 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
47-1535 PRIMARY Ludlum Measurements Inc (USA)
44-6 Ludlum Measurements Inc (USA)
Related Parts
5330-00-085-3668INTERCHANGEABLE
SEAL,PLAIN ENCASED
5707
5310-00-941-0157INTERCHANGEABLE
WASHER,KEY
471535
5330-01-238-0493INTERCHANGEABLE
SEAL,PLAIN ENCASED
550710-75

Frequently Asked Questions

What is NSN 6665-01-308-8527?

NSN 6665-01-308-8527 is a Probe,radiac, manufactured by Ludlum Measurements Inc, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-308-8527?

NSN 6665-01-308-8527 has 2 cross-referenced part numbers: 47-1535 (Ludlum Measurements Inc), 44-6 (Ludlum Measurements Inc).

What NSN replaces 6665-01-308-8527?

There are 3 known substitutes for 6665-01-308-8527: 5330-00-085-3668, 5310-00-941-0157, 5330-01-238-0493. Verify interchangeability with system specifications before substitution.

What are the specifications of 47-1535?

Key specifications for 47-1535: Overall Diameter: 1.000 INCHES NOMINAL IN; Material: STEEL CASE; Case Surface Treatment: PAINT; Detecting Element Type: SCINTILLATION. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com