PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-52ARotor,flow Sight Indicator

Clark-Reliance Llc Dba Jacoby-Tarbox · NSN 6680-00-893-3712 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-893-3712 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-893-3712. Primary manufacturer part number: R-52A.
Features
  • Rotor,flow Sight Indicator — FSC 6680
  • General Characteristics Item Description: USED W/POLYTETRAFLUOROETHYLENE TUBE 0.625 IN. BY 0.250 IN.,3 HOLES 0.516 IN. DIA ON 2.188 IN. LG IN
  • 3 verified cross-references
  • Primary manufacturer: Clark-Reliance Llc Dba Jacoby-Tarbox
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rotor,flow Sight Indicator, cataloged under National Stock Number 6680-00-893-3712, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Clark-Reliance Llc Dba Jacoby-Tarbox. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-893-3712
Primary Part NumberR-52A
Item NameRotor,flow Sight Indicator
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerClark-Reliance Llc Dba Jacoby-Tarbox
StatusACTIVE
General Characteristics Item DescriptionUSED W/POLYTETRAFLUOROETHYLENE TUBE 0.625 IN. BY 0.250 IN.,3 HOLES 0.516 IN. DIA ON 2.188 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9340-00-893-3711F271APC3 INTERCHANGEABLE
Window,observation
Clark-Reliance Llc Dba Jacoby-Tarbox
4240-01-245-3326R52A INTERCHANGEABLE
Cartridge,respirator,air Filteri
Square D Co Monroe Plant
Cross-Reference Index
Part NumberManufacturer
F271A Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
R-52A PRIMARY Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
F271APC6 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
Related Parts
9340-00-893-3711INTERCHANGEABLE
WINDOW,OBSERVATION
F271APC3
4240-01-245-3326INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
R52A

Frequently Asked Questions

What is NSN 6680-00-893-3712?

NSN 6680-00-893-3712 is a Rotor,flow Sight Indicator, manufactured by Clark-Reliance Llc Dba Jacoby-Tarbox, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-893-3712?

NSN 6680-00-893-3712 has 3 cross-referenced part numbers: F271A (Clark-Reliance Llc Dba Jacoby-Tarbox), R-52A (Clark-Reliance Llc Dba Jacoby-Tarbox), F271APC6 (Clark-Reliance Llc Dba Jacoby-Tarbox).

What NSN replaces 6680-00-893-3712?

There are 2 known substitutes for 6680-00-893-3712: 9340-00-893-3711, 4240-01-245-3326. Verify interchangeability with system specifications before substitution.

What are the specifications of R-52A?

Key specifications for R-52A: End Item Identification: JACOBY TARBOX CORP,FLOW SIGHT INDICATOR,STYLE 960; General Characteristics Item Description: USED W/POLYTETRAFLUOROETHYLENE TUBE 0.625 IN. BY 0.250 IN.,3 HOLES 0.516 IN. DIA ON 2.188 IN. LG IN. 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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