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PartsTable / COMPONENT / F271A
F271A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_diameter: 3.000 INCHES NOMINAL IN, style_designator: CIRCULAR, overall_thickness: 0.500 INCHES NOMINAL IN, 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. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-893-3711, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
F271A
NSN: 9340-00-893-3711
FSC: 9340
CAGE: 95094 — CLARK-RELIANCE LLC DBA JACOBY-TARBOX (USA)
SPECIFICATIONS
materialPLASTIC
overall_diameter3.000 INCHES NOMINAL IN
style_designatorCIRCULAR
overall_thickness0.500 INCHES NOMINAL IN
end_item_identificationJACOBY TARBOX CORP,FLOW SIGHT INDICATOR,STYLE 960
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
NSN9340-00-893-3711
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN F271A MFR WINDOW,OBSERVATION
KEY FEATURES
•
MATERIAL: PLASTIC
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
OVERALL THICKNESS0.500 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OVERALL DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
F271AInterchangeable
interchangeable cross-reference
interchangeable
R-52AInterchangeable
interchangeable cross-reference
interchangeable
F271APC6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F271A?
F271A is a WINDOW,OBSERVATION.
What parts can replace F271A?
There are 3 known substitutes for F271A: F271A, R-52A, F271APC6. Substitute compatibility should be verified for your specific system.
What is the NSN for F271A?
F271A is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-893-3711. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026