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Technical Data Sheet
A859 ✓ 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,SPLIT,SPRING U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.089 INCHES NOMINAL IN, hole_diameter: 0.766 INCHES NOMINAL IN, overall_diameter: 1.312 INCHES NOMINAL IN, features_provided: CASEHARDENED, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-525-2025, 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
A859
NSN: 5365-00-525-2025
FSC: 5365
CAGE: 24692 — HARTZELL PROPELLER LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.089 INCHES NOMINAL IN
hole_diameter0.766 INCHES NOMINAL IN
overall_diameter1.312 INCHES NOMINAL IN
features_providedCASEHARDENED
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5365-00-525-2025
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,SPLIT,SPRING U TITLE COMPONENT PN A859 MFR RING,SPLIT,SPRING U
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
17214Interchangeable
interchangeable cross-reference
interchangeable
7373102Interchangeable
interchangeable cross-reference
interchangeable
A859Interchangeable
interchangeable cross-reference
interchangeable
1610L23-005AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A859?
A859 is a RING,SPLIT,SPRING U.
What parts can replace A859?
There are 4 known substitutes for A859: 17214, 7373102, A859 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A859?
A859 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-525-2025. This indicates validated use in U.S. government and defense supply chains.
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