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Technical Data Sheet
PartsTable / MRO / 21-090
21-090 ✓ Verified by PartsTable
APC · 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

Switches and cables to allow one Keyboard, Monitor and Mouse to control multiple desktops, workstations and servers. Key specifications include material: ALUMINUM ALLOY, body_style: CYLINDRICAL BUSHING MOUNTED, shell_type: SOLID, body_length: 0.562 INCHES NOMINAL IN, shaft_style: ROUND, shaft_length: 1.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-497-6332, 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→ 21-090
NSN: 5998-00-497-6332
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 00638 — TRIO LABORATORIES INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_styleCYLINDRICAL BUSHING MOUNTED
shell_typeSOLID
body_length0.562 INCHES NOMINAL IN
shaft_styleROUND
shaft_length1.250 INCHES NOMINAL IN
thread_class2A A
actuator_typeSINGLE SHAFT
body_diameter1.062 INCHES NOMINAL IN
overall_length0.758 INCHES MAXIMUM IN
shaft_diameter0.250 INCHES NOMINAL IN
shell_materialSTEEL
NSN5998-00-497-6332
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 21-090 MFR APC RESISTOR,VARIABLE,NONWIRE WOUND,
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
3173268Interchangeable
interchangeable cross-reference
interchangeable
21090Interchangeable
interchangeable cross-reference
interchangeable
2080-2202-00Interchangeable
interchangeable cross-reference
interchangeable
JA2N116P204UAInterchangeable
interchangeable cross-reference
interchangeable
H6000PC41Interchangeable
interchangeable cross-reference
interchangeable
N472PC90Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-090?
21-090 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by APC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-090?
There are 11 known substitutes for 21-090: 3173268, 21090, 2080-2202-00 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-090?
21-090 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-497-6332. 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