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Technical Data Sheet
PartsTable / MRO / 55H2-1
55H2-1 ✓ 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 55H2-1 is a the manufacturer industrial component. Key specifications include hole_diameter: 0.531 INCHES NOMINAL IN, overall_width: 4.875 INCHES NOMINAL IN, overall_length: 17.810 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, environmental_protection_material_location: AROUND SEALING GASKET APERTURE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-757-1781, 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→ 55H2-1
NSN: 5999-00-757-1781
FSC: 5999
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
hole_diameter0.531 INCHES NOMINAL IN
overall_width4.875 INCHES NOMINAL IN
overall_length17.810 INCHES NOMINAL IN
bolt_hole_quantity2
cross-sectional_thickness0.125 INCHES NOMINAL IN
environmental_protection_material_locationAROUND SEALING GASKET APERTURE
NSN5999-00-757-1781
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 55H2-1 MFR 55H2-1
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
ENVIRONMENTAL PROTECTION MATERIAL LOCATION: AROUND SEALING GASKET APERTURE
•
BOLT HOLE QUANTITY: 2
•
HOLE DIAMETER: 0.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH17.810 INCHES NOMINAL IN
OVERALL WIDTH4.875 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTION MATERIAL LOCATIONAROUND SEALING GASKET APERTURE
BOLT HOLE QUANTITY2
HOLE DIAMETER0.531 INCHES NOMINAL IN
OVERALL LENGTH17.810 INCHES NOMINAL IN
OVERALL WIDTH4.875 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTION MATERIAL LOCATIONAROUND SEALING GASKET APERTURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
FL-E0012-085Upgraded Successor
successor cross-reference
successor
01Upgraded Successor
successor cross-reference
successor
SB11-132Upgraded Successor
successor cross-reference
successor
07-0901-0193Upgraded Successor
successor cross-reference
successor
75-193-1-8MINUpgraded Successor
successor cross-reference
successor
8438327-5Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55H2-1?
55H2-1 is a 55H2-1. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55H2-1?
There are 11 known substitutes for 55H2-1: FL-E0012-085, 01, SB11-132 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55H2-1?
55H2-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-757-1781. 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