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PartsTable / COMPONENT / SL-4221 PIECES 37,39,41
SL-4221 PIECES 37,39,41 ✓ 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 SL-4221 PIECES 37,39,41 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-3453, 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-4221 PIECES 37,39,41
NSN: 4320-00-218-3453
FSC: 4320
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
Part NumberSL-4221 PIECES 37,39,41
NSN4320-00-218-3453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SL-4221 PIECES 37,39,41 TITLE COMPONENT PN SL-4221 PIECES 37,39,41 MFR SL-4221 PIECES 37,39,4
KEY FEATURES
•
KEYWAY QUANTITY: 1
•
KEYWAY TYPE: RECTANGULAR
•
KEYWAY WIDTH: 0.375 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
•
KEYWAY DEPTH: 0.141 INCHES NOMINAL IN
•
HUB LENGTH: 2.500 INCHES NOMINAL IN
•
MOUNTING METHOD: KEY
TECHNICAL CHARACTERISTICS (FLIS)
KEYWAY QUANTITY1
KEYWAY TYPERECTANGULAR
KEYWAY WIDTH0.375 INCHES NOMINAL IN
SPECIAL FEATURESFIRST STAGE,RIGHT-HAND BLADES; WEAR RING W/SET SCREW PROVIDED
MATERIALNICKEL ALLOY
KEYWAY DEPTH0.141 INCHES NOMINAL IN
HUB LENGTH2.500 INCHES NOMINAL IN
MOUNTING METHODKEY
OVERALL WIDTH2.875 INCHES NOMINAL IN
OVERALL DIAMETER9.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AD14-S46-44ALTInterchangeable
interchangeable cross-reference
interchangeable
168565RInterchangeable
interchangeable cross-reference
interchangeable
SL4219PC53Interchangeable
interchangeable cross-reference
interchangeable
5664PInterchangeable
interchangeable cross-reference
interchangeable
SL-4221Interchangeable
interchangeable cross-reference
interchangeable
SL4221PC37-39-41Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL-4221 PIECES 37,39,41?
SL-4221 PIECES 37,39,41 is a SL-4221 PIECES 37,39,41.
What parts can replace SL-4221 PIECES 37,39,41?
There are 7 known substitutes for SL-4221 PIECES 37,39,41: AD14-S46-44ALT, 168565R, SL4219PC53 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-4221 PIECES 37,39,41?
SL-4221 PIECES 37,39,41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-3453. 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