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Technical Data Sheet
509 ✓ 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 REDUCING WASHER,KNOCKOUT is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR W/ROUNDED CORNERS, diameter: 0.563 INCHES NOMINAL IN, material: COPPER ALLOY BODY, cut_depth: 1.125 INCHES NOMINAL IN, dial_size: 5 IN. DIA IN, base_style: SINGLE CONTACT BAYONET CANDELABRA.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-138-6501, 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
509
NSN: 6625-00-138-6501
FSC: 6625
CAGE: 55026 — SIMPSON ELECTRIC COMPANY, INC. (USA)
SPECIFICATIONS
shapeRECTANGULAR W/ROUNDED CORNERS
diameter0.563 INCHES NOMINAL IN
materialCOPPER ALLOY BODY
cut_depth1.125 INCHES NOMINAL IN
dial_size5 IN. DIA IN
base_styleSINGLE CONTACT BAYONET CANDELABRA
bezel_typeSLIPS-ON
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
bulb_styleG (GLOBULAR)
scale_namePRESSURE
scale_typeSINGLE
valve_size2.000 INCHES IN
NSN6625-00-138-6501
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REDUCING WASHER,KNOCKOUT TITLE COMPONENT PN 509 MFR REDUCING WASHER,KNOCKO
KEY FEATURES
FSC APPLICATION DATA: TEST SET, ELECT. EQUIP.
VOLTAGE RATING: 25000.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATATEST SET, ELECT. EQUIP.
VOLTAGE RATING25000.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
FSC APPLICATION DATATEST SET, ELECT. EQUIP.
VOLTAGE RATING25000.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
CI-0008Interchangeable
interchangeable cross-reference
interchangeable
0-50-8Interchangeable
interchangeable cross-reference
interchangeable
16606A16PC3Interchangeable
interchangeable cross-reference
interchangeable
640685-4Interchangeable
interchangeable cross-reference
interchangeable
MS29513-8Interchangeable
interchangeable cross-reference
interchangeable
590RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509?
509 is a REDUCING WASHER,KNOCKOUT.
What parts can replace 509?
There are 22 known substitutes for 509: CI-0008, 0-50-8, 16606A16PC3 and 19 more. Substitute compatibility should be verified for your specific system.
Is 509 still available?
509 is currently cancelled.
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