PartsTable
Technical Data Sheet
PartsTable / MRO / N18
N18 ✓ 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 LEAD ASSEMBLY,ELECTRICAL is a the manufacturer industrial component. Key specifications include nut_style: ROUND, body_style: UNSHIELDED, THREADED POST, GASKET SEAT, nut_height: 0.875 INCHES NOMINAL IN, nut_diameter: 4.6563 INCHES NOMINAL IN, reach_length: 0.750 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-423-5839, 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→ N18
NSN: 5999-00-423-5839
FSC: 5999
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)
SPECIFICATIONS
nut_styleROUND
body_styleUNSHIELDED, THREADED POST, GASKET SEAT
nut_height0.875 INCHES NOMINAL IN
nut_diameter4.6563 INCHES NOMINAL IN
reach_length0.750 INCHES NOMINAL IN
thread_class2B
usage_designENGINE OTHER THAN AIRCRAFT
nut_thickness0.6875 INCHES NOMINAL IN
overall_width0.587 INCHES NOMINAL IN
thread_seriesUNS
overall_height1.094 INCHES NOMINAL IN
overall_length1.503 INCHES NOMINAL IN
NSN5999-00-423-5839
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 N18 MFR LEAD ASSEMBLY,ELECTRICAL
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
OVERALL LENGTH1.503 INCHES NOMINAL IN
OVERALL WIDTH0.587 INCHES NOMINAL IN
OVERALL HEIGHT1.094 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
OVERALL LENGTH1.503 INCHES NOMINAL IN
OVERALL WIDTH0.587 INCHES NOMINAL IN
OVERALL HEIGHT1.094 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
N203631-2Interchangeable
interchangeable cross-reference
interchangeable
N18Interchangeable
interchangeable cross-reference
interchangeable
72MCA1Interchangeable
interchangeable cross-reference
interchangeable
62.90.052Interchangeable
interchangeable cross-reference
interchangeable
103028Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N18?
N18 is a LEAD ASSEMBLY,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace N18?
There are 16 known substitutes for N18: N203631-2, N18, 72MCA1 and 13 more. Substitute compatibility should be verified for your specific system.
Is N18 still available?
N18 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026