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SL-5221 ✓ 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 RING,WEARING is a the manufacturer industrial component. Key specifications include drive_end_shape: HEXAGON SINGLE END EXTERNAL, torque_capacity: 100.0 INCH-POUNDS NOMINAL IN, special_features: UPPER PARTS, drive_surface_size: 0.375 INCHES NOMINAL SINGLE END IN, end_item_identification: 540 STERN DRIVE ECUME RIB 1.69:1, part_name_assigned_by_controlling_agency: VERITORQ DIGITAL TORQUE TESTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-3310, 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
SL-5221
NSN: 4320-00-218-3310
FSC: 4320
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
drive_end_shapeHEXAGON SINGLE END EXTERNAL
torque_capacity100.0 INCH-POUNDS NOMINAL IN
special_featuresUPPER PARTS
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
end_item_identification540 STERN DRIVE ECUME RIB 1.69:1
part_name_assigned_by_controlling_agencyVERITORQ DIGITAL TORQUE TESTER
NSN4320-00-218-3310
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN SL-5221 MFR RING,WEARING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3116PInterchangeable
interchangeable cross-reference
interchangeable
10373Interchangeable
interchangeable cross-reference
interchangeable
2678864Interchangeable
interchangeable cross-reference
interchangeable
LHH9258Interchangeable
interchangeable cross-reference
interchangeable
10259Interchangeable
interchangeable cross-reference
interchangeable
1048612Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL-5221?
SL-5221 is a RING,WEARING.
What parts can replace SL-5221?
There are 15 known substitutes for SL-5221: 3116P, 10373, 2678864 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-5221?
SL-5221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-3310. 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