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PartsTable / COMPONENT / MC9A18-4
MC9A18-4 ✓ 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 MC9A18-4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-891-9052, 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
MC9A18-4
NSN: 6645-00-891-9052
FSC: 6645
CAGE: 30703 — ESSEX PRODUCTS GROUP, INC. DBA INDUSTRIAL TIMER COMPANY (USA)
SPECIFICATIONS
Part NumberMC9A18-4
NSN6645-00-891-9052
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MC9A18-4 TITLE COMPONENT PN MC9A18-4 MFR MC9A18-4
KEY FEATURES
•
TIMER TYPE: ELECTRICAL
•
CONTROL TYPE: SWITCH
•
FREQUENCY IN HERTZ: 60.0
•
VOLTAGE IN VOLTS: 115.0
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES4 SWITCH,3 HR TIME CYCLE
TIMER TYPEELECTRICAL
CONTROL TYPESWITCH
FREQUENCY IN HERTZ60.0
VOLTAGE IN VOLTS115.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1050Interchangeable
interchangeable cross-reference
interchangeable
400-10Interchangeable
interchangeable cross-reference
interchangeable
A2829Interchangeable
interchangeable cross-reference
interchangeable
A2416Interchangeable
interchangeable cross-reference
interchangeable
0105000011Interchangeable
interchangeable cross-reference
interchangeable
A-2416 2X3IN PIECE 31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MC9A18-4?
MC9A18-4 is a MC9A18-4.
What parts can replace MC9A18-4?
There are 6 known substitutes for MC9A18-4: 1050, 400-10, A2829 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MC9A18-4?
MC9A18-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-891-9052. 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