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Technical Data Sheet
PartsTable / COMPONENT / PR-3A
PR-3A ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: PLASTIC LENS, lens_type: REFLEX, lens_color: AMBER, lens_shape: ROUND, mounting_type: FLUSH, overall_width: 3.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9905-00-202-3639, 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
PR-3A
NSN: 9905-00-202-3639
FSC: 9905
CAGE: 05444 — HAMILTON TRAILER CO INC (USA)
SPECIFICATIONS
materialPLASTIC LENS
lens_typeREFLEX
lens_colorAMBER
lens_shapeROUND
mounting_typeFLUSH
overall_width3.625 INCHES NOMINAL IN
overall_length4.500 INCHES NOMINAL IN
special_featuresPOWER ON INDICATOR,MASTER ON/OFF SWITCH
overall_thickness0.625 INCHES NOMINAL IN
output_voltage_rating12.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
hole_spacing_dimensionSPACED 180 DEG APART ON 3.937 IN. BOLT CIRCLE OF HOLES IN
mounting_hole_diameter0.281 INCHES NOMINAL IN
NSN9905-00-202-3639
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN PR-3A MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
LENS EFFECTIVE DIAMETER: 3.015 INCHES IN
•
MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
MOUNTING TYPE: FLUSH
•
OVERALL THICKNESS: 0.625 INCHES NOMINAL IN
•
LENS COLOR: AMBER
•
MATERIAL: PLASTIC LENS
TECHNICAL CHARACTERISTICS (FLIS)
LENS EFFECTIVE DIAMETER3.015 INCHES IN
MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
MOUNTING TYPEFLUSH
OVERALL WIDTH3.625 INCHES NOMINAL IN
OVERALL THICKNESS0.625 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
LENS COLORAMBER
MATERIALPLASTIC LENS
LENS EFFECTIVE DIAMETER3.015 INCHES IN
LENS TYPEREFLEX
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
D590AInterchangeable
interchangeable cross-reference
interchangeable
0234409-1Interchangeable
interchangeable cross-reference
interchangeable
234409Interchangeable
interchangeable cross-reference
interchangeable
16252Interchangeable
interchangeable cross-reference
interchangeable
ME4865Interchangeable
interchangeable cross-reference
interchangeable
ME367UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PR-3A?
PR-3A is a RELAY,ELECTROMAGNETIC.
What parts can replace PR-3A?
There are 32 known substitutes for PR-3A: D590A, 0234409-1, 234409 and 29 more. Substitute compatibility should be verified for your specific system.
Is PR-3A still available?
PR-3A is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026