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PartsTable / COMPONENT / M21346/3-31
M21346/3-31 ✓ 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 M21346/3-31 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 5920-00-221-8372, 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
M21346/3-31
NSN: 5920-00-221-8372
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM21346/3-31
NSN5920-00-221-8372
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M21346/3-31 TITLE COMPONENT PN M21346/3-31 MFR M21346/3-31
KEY FEATURES
•
VOLTAGE IN VOLTS: 250.0
•
MOUNTING HOLE DIAMETER: 0.138 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG WIDTH: 4.550 INCHES NOMINAL IN
•
MOUNTING HOLE STYLE: IN-LINE ALONG THE WIDTH
•
BODY STYLE: CLIP CONNECTED TYPE
•
MOUNTING HOLE QUANTITY: 5
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE IN VOLTS250.0
MOUNTING HOLE DIAMETER0.138 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG WIDTH4.550 INCHES NOMINAL IN
OVERALL LENGTH1.620 INCHES NOMINAL IN
MOUNTING HOLE STYLEIN-LINE ALONG THE WIDTH
BODY STYLECLIP CONNECTED TYPE
MOUNTING HOLE QUANTITY5
OVERALL HEIGHT0.700 INCHES NOMINAL IN
OVERALL WIDTH5.310 INCHES NOMINAL IN
ACCOMMODATED FERRULE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MILF21346-3Interchangeable
interchangeable cross-reference
interchangeable
A-A-55518/2Interchangeable
interchangeable cross-reference
interchangeable
FH23PMInterchangeable
interchangeable cross-reference
interchangeable
A-A-55518Interchangeable
interchangeable cross-reference
interchangeable
M21346/3-22Interchangeable
interchangeable cross-reference
interchangeable
356009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M21346/3-31?
M21346/3-31 is a M21346/3-31.
What parts can replace M21346/3-31?
There are 13 known substitutes for M21346/3-31: MILF21346-3, A-A-55518/2, FH23PM and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M21346/3-31?
M21346/3-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-221-8372. 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