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Technical Data Sheet
15520B ✓ 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 ORACLE SPARC T5-4 Base System is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_width: 0.1563 INCHES NOMINAL IN, overall_width: 0.5313 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, FLANGED, flange_outside_diameter: 2.4022 INCHES NOMINAL IN, outer_ring_outside_diameter: 2.2500 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 2805-00-528-6377, 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
15520B
NSN: 2805-00-528-6377
FSC: 2805
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_width0.1563 INCHES NOMINAL IN
overall_width0.5313 INCHES NOMINAL IN
style_designatorNORMAL ANGLE, FLANGED
flange_outside_diameter2.4022 INCHES NOMINAL IN
outer_ring_outside_diameter2.2500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN2805-00-528-6377
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ORACLE SPARC T5-4 Base System TITLE COMPONENT PN 15520B MFR ORACLE SPARC T5-4 Base
KEY FEATURES
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
CHAMFER ANGLE IN DEG: 45.0
SLOT LENGTH: 0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
FSC APPLICATION DATA: GASOLINE ENGINE
METALLIC HARDNESS RATING AND LOCATION: 40.0 ROCKWELL C MINIMUM HEAD
CARBON RELIEF GROOVE: NOT INCLUDED
OUTSIDE DIAMETER: 1.9950 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN
SLOT RADIUS: 0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
CHAMFER ANGLE IN DEG45.0
SLOT LENGTH0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM HEAD
CARBON RELIEF GROOVENOT INCLUDED
OUTSIDE DIAMETER1.9950 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN
SLOT RADIUS0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION50.0 SHORE SCLEROSCOPE MINIMUM TIP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
8180000049Interchangeable
interchangeable cross-reference
interchangeable
15520Interchangeable
interchangeable cross-reference
interchangeable
T54Interchangeable
ORACLE SPARC T5-4 Base System
interchangeable
2820Interchangeable
interchangeable cross-reference
interchangeable
64AX153Interchangeable
interchangeable cross-reference
interchangeable
VT4038Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15520B?
15520B is a ORACLE SPARC T5-4 Base System.
What parts can replace 15520B?
There are 23 known substitutes for 15520B: 8180000049, 15520, T54 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15520B?
15520B is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-528-6377. This indicates validated use in U.S. government and defense supply chains.
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