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Technical Data Sheet
PartsTable / MRO / 55181-1
55181-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include overall_width: 0.400 INCHES NOMINAL IN, overall_height: 0.273 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN, criticality_code_justification: FEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-278-4961, 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
MRO→ MRO_GENERAL→ 55181-1
NSN: 5935-01-278-4961
FSC: 5935
CAGE: 00779 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
overall_width0.400 INCHES NOMINAL IN
overall_height0.273 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
special_featuresA PART, ASSEMBLY, OR SYSTEM IDENTIFIED AS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION TO PRESERVE LIFE AND SAFETY OF PERSONNEL
mating_end_quantity1
criticality_code_justificationFEAT
NSN5935-01-278-4961
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 55181-1 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
MATING END QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.273 INCHES NOMINAL IN
MATING END QUANTITY1
OVERALL WIDTH0.400 INCHES NOMINAL IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
555564Interchangeable
interchangeable cross-reference
interchangeable
25892Interchangeable
interchangeable cross-reference
interchangeable
25892-60Interchangeable
interchangeable cross-reference
interchangeable
55181-1Interchangeable
interchangeable cross-reference
interchangeable
301-014424Interchangeable
Same NIIN cross-reference
interchangeable
91648190Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55181-1?
55181-1 is a CONNECTOR,RECEPTACLE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55181-1?
There are 6 known substitutes for 55181-1: 555564, 25892, 25892-60 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55181-1?
55181-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-278-4961. 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