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Technical Data Sheet
PartsTable / MRO / 638509
638509 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 638509 is a the manufacturer industrial component. Key specifications include indicator_type: DIAL W/POINTER, measurement_range: +0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE, installation_design: PANEL, end_item_identification: PART OF ASSEMBLY,CONTROL ENCLOSURE, ELECTRO-CHLORINATOR A1-81886. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-509-7582, 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
MRO→ MRO_GENERAL→ 638509
NSN: 6625-01-509-7582
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
indicator_typeDIAL W/POINTER
measurement_range+0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
end_item_identificationPART OF ASSEMBLY,CONTROL ENCLOSURE, ELECTRO-CHLORINATOR A1-81886
NSN6625-01-509-7582
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 638509 TITLE COMPONENT PN 638509 MFR 638509
KEY FEATURES
•
INDICATOR TYPE: DIAL W/POINTER
•
MEASUREMENT RANGE: +0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
•
INSTALLATION DESIGN: PANEL
TECHNICAL CHARACTERISTICS (FLIS)
INDICATOR TYPEDIAL W/POINTER
END ITEM IDENTIFICATIONPART OF ASSEMBLY,CONTROL ENCLOSURE, ELECTRO-CHLORINATOR A1-81886
MEASUREMENT RANGE+0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
INSTALLATION DESIGNPANEL
INDICATOR TYPEDIAL W/POINTER
END ITEM IDENTIFICATIONPART OF ASSEMBLY,CONTROL ENCLOSURE, ELECTRO-CHLORINATOR A1-81886
MEASUREMENT RANGE+0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
INSTALLATION DESIGNPANEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A1-81886 ITEM 24Interchangeable
interchangeable cross-reference
interchangeable
A1-81886Interchangeable
interchangeable cross-reference
interchangeable
82073-001Interchangeable
interchangeable cross-reference
interchangeable
W3T106731Interchangeable
interchangeable cross-reference
interchangeable
82073Interchangeable
interchangeable cross-reference
interchangeable
A1-81886 ITEM 36Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 638509?
638509 is a 638509. It is classified as a MRO (MRO_GENERAL).
What parts can replace 638509?
There are 20 known substitutes for 638509: A1-81886 ITEM 24, A1-81886, 82073-001 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 638509?
638509 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-509-7582. 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