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Technical Data Sheet
PartsTable / MRO / 51589
51589 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include shape: STRAIGHT, diameter: 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, material: STEEL COMP 303 PIN, thickness: 0.187 INCHES NOMINAL IN, drive_type: SLOTTED, key_height: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM 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 5315-00-012-4552, 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
MRO→ MRO_GENERAL→ 51589
NSN: 5315-00-012-4552
FSC: 5315
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
shapeSTRAIGHT
diameter0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
materialSTEEL COMP 303 PIN
thickness0.187 INCHES NOMINAL IN
drive_typeSLOTTED
key_height0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
grip_length0.366 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN
mounting_shankINCLUDED
circle_diameter1.000 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
overall_diameter0.250 INCHES NOMINAL IN
special_featuresFUSE CARTRIDGE
NSN5315-00-012-4552
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51589 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
KEY SIZE DESIGNATION: WOODRUFF 13
•
CIRCLE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 2330 OR STEEL COMP 2340 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
KEY HEIGHT: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND BOTTOM
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
KEY SIZE DESIGNATIONWOODRUFF 13
CIRCLE DIAMETER1.000 INCHES NOMINAL IN
MATERIALSTEEL COMP 2330 OR STEEL COMP 2340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
KEY HEIGHT0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BOTTOM
THICKNESS0.187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
6J608Interchangeable
interchangeable cross-reference
interchangeable
6J0608Interchangeable
interchangeable cross-reference
interchangeable
51589Interchangeable
interchangeable cross-reference
interchangeable
TC-12-MInterchangeable
interchangeable cross-reference
interchangeable
048-1033-20Interchangeable
interchangeable cross-reference
interchangeable
CCB-WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51589?
51589 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 51589?
There are 19 known substitutes for 51589: 6J608, 6J0608, 51589 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51589?
51589 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-012-4552. 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