PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21S
21S ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ADAPTER,RADIO FREQUENCY CABLE is a the manufacturer cable assembly designed for reliable internal or external connectivity in enterprise server and storage environments. Key specifications include material: STEEL OVERALL, usage_design: ADAPTS 1.625 IN. DIA CABLE TO 0.875 IN.

DIA FLANGE IN, head_thickness: 1.062 INCHES MAXIMUM IN, overall_length: 5.000 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, style_designator: STRAIGHT SINGLE HEAD. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-085-2162, 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
21S
NSN: 5940-00-085-2162
FSC: 5940
CAGE: 84147 — ANDREW LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
usage_designADAPTS 1.625 IN. DIA CABLE TO 0.875 IN. DIA FLANGE IN
head_thickness1.062 INCHES MAXIMUM IN
overall_length5.000 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
style_designatorSTRAIGHT SINGLE HEAD
features_providedREVERSIBLE RATCHET
wrenching_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeSQUARE SINGLE END INTERNAL
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY 1/2 IN. SIZE,WITH 3/4 IN. PER FOOT TAPER IN
NSN5940-00-085-2162
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,RADIO FREQUENCY CABLE TITLE COMPONENT PN 21S MFR ADAPTER,RADIO FREQUENC
KEY FEATURES
•
OVERALL DIAMETER: 1.750 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
USAGE DESIGN: ADAPTS 1.625 IN. DIA CABLE TO 0.875 IN. DIA FLANGE IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
OVERALL LENGTH11.250 INCHES NOMINAL IN
USAGE DESIGNADAPTS 1.625 IN. DIA CABLE TO 0.875 IN. DIA FLANGE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2155688Interchangeable
interchangeable cross-reference
interchangeable
115963Interchangeable
interchangeable cross-reference
interchangeable
FC5382Interchangeable
interchangeable cross-reference
interchangeable
R21153Interchangeable
interchangeable cross-reference
interchangeable
219-2234Interchangeable
interchangeable cross-reference
interchangeable
858360Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21S?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21S?
21S is a ADAPTER,RADIO FREQUENCY CABLE.
What parts can replace 21S?
There are 11 known substitutes for 21S: 2155688, 115963, FC5382 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21S?
21S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-085-2162. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21S

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026