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Technical Data Sheet
PartsTable / MRO / A6-99
A6-99 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include special_features: BLACK IN COLOR, 1.540 INCH 0MOA 30MM MM, part_name_assigned_by_controlling_agency: ULTRA MOUNT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-138-0999, 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→ A6-99
NSN: 5999-00-138-0999
FSC: 5999
CAGE: 56365 — SCHNEIDER ELECTRIC USA, INC. (USA)
SPECIFICATIONS
special_featuresBLACK IN COLOR, 1.540 INCH 0MOA 30MM MM
part_name_assigned_by_controlling_agencyULTRA MOUNT
NSN5999-00-138-0999
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 A6-99 MFR RESISTOR,VARIABLE,NONWIRE WOUND,
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.844 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.375 INCHES NOMINAL IN
OVERALL HEIGHT0.844 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A699Interchangeable
interchangeable cross-reference
interchangeable
A669Interchangeable
interchangeable cross-reference
interchangeable
CR18UInterchangeable
interchangeable cross-reference
interchangeable
291-8088-00Interchangeable
interchangeable cross-reference
interchangeable
MILC3098Interchangeable
interchangeable cross-reference
interchangeable
51431Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6-99?
A6-99 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace A6-99?
There are 10 known substitutes for A6-99: A699, A669, CR18U and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6-99?
A6-99 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-138-0999. 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