PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0001B79Ion Selective Electrode Diluent

Arthur H. Thomas Company · NSN 6550-01-461-6666 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-461-6666 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-461-6666. Primary manufacturer part number: 0001B79.
Features
  • Ion Selective Electrode Diluent — FSC 6550
  • 7 verified cross-references
  • Primary manufacturer: Arthur H. Thomas Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ion Selective Electrode Diluent, cataloged under National Stock Number 6550-01-461-6666, is classified within Federal Supply Class 6550 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Arthur H. Thomas Company. This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6550-01-461-6666
Primary Part Number0001B79
Item NameIon Selective Electrode Diluent
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerArthur H. Thomas Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
1730-00-022-89234-76042-1 INTERCHANGEABLE
Pin,warning Streamer
Northrop Grumman Systems Corporation
5961-00-162-9773MPSA14 INTERCHANGEABLE
Transistor
Fairchild Semiconductor Corp
4140-00-227-8228272261 INTERCHANGEABLE
Guard,fan Impeller
Rotron Incorporated
3120-00-444-14791066-16 INTERCHANGEABLE
Bearing,sleeve
Consolidated International Corp
1660-00-610-9686106616 INTERCHANGEABLE
Regulator,air Pressure,aircraft
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5998-01-272-7063106616 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
4140-01-298-37515336459 INTERCHANGEABLE
Guard,fan Impeller
Naval Sea Systems Command
5930-01-462-8596476042 INTERCHANGEABLE
Guard,switch
Raytheon Company Dba Raytheon Co
2030-01-492-5069106616 INTERCHANGEABLE
Launch Tube
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
4140-01-492-6710476042 INTERCHANGEABLE
Guard,fan Impeller
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
0001B79 PRIMARY Arthur H. Thomas Company (USA)
106616 Clarkson Laboratory & Supply Inc (USA)
98-0756 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
37-476042-CS Krackeler Scientific, Inc. Dba Krackeler Scientific Inc (USA)
0319R50 Arthur H. Thomas Company (USA)
476042 Vwr International, Llc Dba Vwr Scientific (USA)
476042 Clarkson Laboratory & Supply Inc (USA)
Related Parts
1730-00-022-8923INTERCHANGEABLE
PIN,WARNING STREAMER
4-76042-1
5961-00-162-9773INTERCHANGEABLE
TRANSISTOR
MPSA14
4140-00-227-8228INTERCHANGEABLE
GUARD,FAN IMPELLER
272261
3120-00-444-1479INTERCHANGEABLE
BEARING,SLEEVE
1066-16
1660-00-610-9686INTERCHANGEABLE
REGULATOR,AIR PRESSURE,AIRCRAFT
106616
5998-01-272-7063INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
106616
4140-01-298-3751INTERCHANGEABLE
GUARD,FAN IMPELLER
5336459
5930-01-462-8596INTERCHANGEABLE
GUARD,SWITCH
476042
2030-01-492-5069INTERCHANGEABLE
LAUNCH TUBE
106616
4140-01-492-6710INTERCHANGEABLE
GUARD,FAN IMPELLER
476042

Frequently Asked Questions

What is NSN 6550-01-461-6666?

NSN 6550-01-461-6666 is a Ion Selective Electrode Diluent, manufactured by Arthur H. Thomas Company, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-461-6666?

NSN 6550-01-461-6666 has 7 cross-referenced part numbers: 0001B79 (Arthur H. Thomas Company), 106616 (Clarkson Laboratory & Supply Inc), 98-0756 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 37-476042-CS (Krackeler Scientific, Inc. Dba Krackeler Scientific Inc), 0319R50 (Arthur H. Thomas Company) and 2 more.

What NSN replaces 6550-01-461-6666?

There are 10 known substitutes for 6550-01-461-6666: 1730-00-022-8923, 5961-00-162-9773, 4140-00-227-8228 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0001B79?

Key specifications for 0001B79: Special Features: ELECTRODE, ION-SELECTIVE FOR FLUORIDE; Part Name Assigned by Controlling Agency: ION SELECTIVE ELECTRODE DILUENT FOR FLUORIDE. 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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