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353-EC ✓ 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 353-EC 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 6620-01-135-0992, 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
353-EC
NSN: 6620-01-135-0992
FSC: 6620
CAGE: 4HZD3 — MAXIMA TECHNOLOGIES & SYSTEMS LLC DBA MAXIMA TECHNOLOGIES/STEWARD-WARNER (USA)
SPECIFICATIONS
Part Number353-EC
NSN6620-01-135-0992
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 353-EC TITLE COMPONENT PN 353-EC MFR 353-EC
KEY FEATURES
•
VOLTAGE RATING: 12.0 VOLTS NOMINAL INPUT
•
MOUNTING DEVICE QUANTITY: 3
•
MEASUREMENT RANGE: +0.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS
•
CURRENT TYPE: DC
•
MOUNTING METHOD: CONNECTION
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
SPECIAL FEATURESJAM NUT,FLAT WASHER AND SPRING LOCK WASHER
VOLTAGE RATING12.0 VOLTS NOMINAL INPUT
MOUNTING DEVICE QUANTITY3
MEASUREMENT RANGE+0.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS
CURRENT TYPEDC
OVERALL LENGTH3.120 INCHES NOMINAL IN
MOUNTING METHODCONNECTION
ACTUATION METHODELECTRICAL RESISTANCE
OVERALL WIDTH2.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6411MAXInterchangeable
interchangeable cross-reference
interchangeable
55BL04Interchangeable
interchangeable cross-reference
interchangeable
042837Interchangeable
interchangeable cross-reference
interchangeable
D-171-776-PC411MInterchangeable
interchangeable cross-reference
interchangeable
411MInterchangeable
interchangeable cross-reference
interchangeable
D-171-776Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 353-EC?
353-EC is a 353-EC.
What parts can replace 353-EC?
There are 9 known substitutes for 353-EC: 6411MAX, 55BL04, 042837 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 353-EC?
353-EC is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-01-135-0992. 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