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PartsTable / COMPONENT / K21805
K21805 ✓ 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 K21805 is a the manufacturer industrial component. Key specifications include construction: ONE-PIECE, hole_diameter: 0.531 INCHES NOMINAL IN, overall_width: 6.500 INCHES NOMINAL IN, style_designator: RECTANGULAR, aperture_diameter: 4.531 INCHES NOMINAL IN, bolt_circle_diameter: 5.500 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 5365-00-413-6168, 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
K21805
NSN: 5365-00-413-6168
FSC: 5365
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
constructionONE-PIECE
hole_diameter0.531 INCHES NOMINAL IN
overall_width6.500 INCHES NOMINAL IN
style_designatorRECTANGULAR
aperture_diameter4.531 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter5.500 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
outside_corner_inverted_radius0.250 INCHES NOMINAL IN
side_radius_from_gasket_center2.750 INCHES NOMINAL IN
NSN5365-00-413-6168
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available K21805 TITLE COMPONENT PN K21805 MFR K21805
KEY FEATURES
•
SIDE RADIUS FROM GASKET CENTER: 2.750 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
APERTURE DIAMETER: 4.531 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 5.500 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.531 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SIDE RADIUS FROM GASKET CENTER2.750 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
APERTURE DIAMETER4.531 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER5.500 INCHES NOMINAL IN
HOLE DIAMETER0.531 INCHES NOMINAL IN
OVERALL WIDTH6.500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
OUTSIDE CORNER INVERTED RADIUS0.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
911501-2Interchangeable
interchangeable cross-reference
interchangeable
5416Interchangeable
interchangeable cross-reference
interchangeable
F5416Interchangeable
interchangeable cross-reference
interchangeable
833701Interchangeable
Same NIIN cross-reference
interchangeable
31D15Interchangeable
Same NIIN cross-reference
interchangeable
Z996AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K21805?
K21805 is a K21805.
What parts can replace K21805?
There are 8 known substitutes for K21805: 911501-2, 5416, F5416 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K21805?
K21805 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-413-6168. 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