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A163 ✓ 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,OVERLOAD,THERMAL is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: STEEL CASE, duty_type: CONTINUOUS, body_style: CYLINDRICAL FRAME, cut_length: 1.250 INCHES NOMINAL IN, shank_type: WELDON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-228-5217, 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
A163
NSN: 3455-00-228-5217
FSC: 3455
CAGE: 64560 — WELDON TOOL CO THE (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL IN
materialSTEEL CASE
duty_typeCONTINUOUS
cut_length1.250 INCHES NOMINAL IN
shank_typeWELDON
body_length2.969 INCHES NOMINAL IN
design_formSINGLE END
flute_designHELICAL
body_diameter1.255 INCHES MAXIMUM IN
current_rating4.2 AMPERES NOMINAL
end_similarityIDENTICAL
inclosure_typeFULLY INCLOSED
NSN3455-00-228-5217
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,OVERLOAD,THERMAL TITLE COMPONENT PN A163 MFR RELAY,OVERLOAD,THERMAL
KEY FEATURES
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
FLUTE DESIGN: HELICAL
•
HELIX DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SHANK TYPE: WELDON
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
CUTTING ROTATION DIRECTIONRIGHT-HAND
OVERALL LENGTH3.250 INCHES NOMINAL IN
FLUTE DESIGNHELICAL
HELIX DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SHANK TYPEWELDON
SPECIAL FEATURES4 FLUTES
MATERIALSTEEL
CUT LENGTH1.250 INCHES NOMINAL IN
DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
AE700852-2Interchangeable
interchangeable cross-reference
interchangeable
2-300-107-05Interchangeable
interchangeable cross-reference
interchangeable
TF125Interchangeable
interchangeable cross-reference
interchangeable
802285Interchangeable
interchangeable cross-reference
interchangeable
94232Interchangeable
interchangeable cross-reference
interchangeable
1539867Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A163?
A163 is a RELAY,OVERLOAD,THERMAL.
What parts can replace A163?
There are 28 known substitutes for A163: AE700852-2, 2-300-107-05, TF125 and 25 more. Substitute compatibility should be verified for your specific system.
Is A163 still available?
A163 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026