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Technical Data Sheet
PartsTable / MRO / 503C553G56
503C553G56 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The 503C553G56 is a the manufacturer industrial component. Key specifications include overall_height: 1.171 INCHES NOMINAL IN, overall_length: 1.438 INCHES NOMINAL IN, mounting_hole_diameter: 0.343 INCHES NOMINAL IN, mounting_facility_type_and_quantity: 2 UNTHREADED HOLE(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-194-4961, 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→ 503C553G56
NSN: 5999-00-194-4961
FSC: 5999
CAGE: 89946 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
overall_height1.171 INCHES NOMINAL IN
overall_length1.438 INCHES NOMINAL IN
mounting_hole_diameter0.343 INCHES NOMINAL IN
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
NSN5999-00-194-4961
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 503C553G56 MFR 503C553G56
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.343 INCHES NOMINAL IN
•
Generation 56 Platform
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
OVERALL LENGTH1.438 INCHES NOMINAL IN
OVERALL HEIGHT1.171 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.343 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
OVERALL LENGTH1.438 INCHES NOMINAL IN
OVERALL HEIGHT1.171 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.343 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4101135Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-18745 TY1CPA OR CPBInterchangeable
interchangeable cross-reference
interchangeable
H-56Interchangeable
interchangeable cross-reference
interchangeable
KS3674PC56-18Interchangeable
interchangeable cross-reference
interchangeable
KS9188PC41Interchangeable
interchangeable cross-reference
interchangeable
KS8389PC51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503C553G56?
503C553G56 is a 503C553G56. It is classified as a MRO (MRO_GENERAL).
What parts can replace 503C553G56?
There are 10 known substitutes for 503C553G56: 4101135, MIL-H-18745 TY1CPA OR CPB, H-56 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503C553G56?
503C553G56 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-194-4961. 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