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M21346/3-53 ✓ 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 M21346/3-53 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 5920-01-122-0477, 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
M21346/3-53
NSN: 5920-01-122-0477
FSC: 5920
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM21346/3-53
NSN5920-01-122-0477
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M21346/3-53 TITLE COMPONENT PN M21346/3-53 MFR M21346/3-53
KEY FEATURES
•
FUSE TERMINAL TYPE ACCOMMODATED: FERRULE
•
BASE THICKNESS: 0.250 INCHES NOMINAL IN
•
MOUNTING HOLE STYLE: IN-LINE ALONG THE WIDTH
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INTERNAL CIRCUIT CONFIGURATION AND POLE QUANTITY: 4 POLE, MAINLINE, FUSED
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MATERIAL: COPPER ALLOY TERMINAL
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SPECIFICATION/STANDARD DATA: 81349-MIL-F-21346/3 GOVERNMENT SPECIFICATION
•
TERMINAL TYPE AND QUANTITY: 8 SCREW
TECHNICAL CHARACTERISTICS (FLIS)
FUSE TERMINAL TYPE ACCOMMODATEDFERRULE
BASE THICKNESS0.250 INCHES NOMINAL IN
MOUNTING HOLE STYLEIN-LINE ALONG THE WIDTH
INTERNAL CIRCUIT CONFIGURATION AND POLE QUANTITY4 POLE, MAINLINE, FUSED
MATERIALCOPPER ALLOY TERMINAL
MATERIALPLASTIC BODY
SPECIFICATION/STANDARD DATA81349-MIL-F-21346/3 GOVERNMENT SPECIFICATION
TERMINAL TYPE AND QUANTITY8 SCREW
MATERIALCOPPER ALLOY CONTACT
BODY STYLECENTER BARRIER TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
NC-201Interchangeable
interchangeable cross-reference
interchangeable
NC-200Interchangeable
interchangeable cross-reference
interchangeable
NC200PC75Interchangeable
interchangeable cross-reference
interchangeable
R89CO 30Interchangeable
interchangeable cross-reference
interchangeable
35554Interchangeable
StorCenter ix2 6TB
interchangeable
3062 30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M21346/3-53?
M21346/3-53 is a M21346/3-53.
What parts can replace M21346/3-53?
There are 14 known substitutes for M21346/3-53: NC-201, NC-200, NC200PC75 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M21346/3-53?
M21346/3-53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-122-0477. 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