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Technical Data Sheet
PartsTable / COMPONENT / 1B8712
1B8712 ✓ Verified by PartsTable
— · NUT WASHER
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

The CAP,CRANKSHAFT BEAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: CYLINDRICAL, coil_helix_direction: RIGHT-HAND OR LEFT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3462, 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
1B8712
NSN: 5315-00-010-3462
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorCYLINDRICAL
coil_helix_directionRIGHT-HAND OR LEFT-HAND
NSN5315-00-010-3462
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1B8712 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
4426Interchangeable
interchangeable cross-reference
interchangeable
SFP536AInterchangeable
interchangeable cross-reference
interchangeable
HN1Interchangeable
interchangeable cross-reference
interchangeable
40544Interchangeable
interchangeable cross-reference
interchangeable
40544BInterchangeable
interchangeable cross-reference
interchangeable
K113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B8712?
1B8712 is a CAP,CRANKSHAFT BEAR.
What parts can replace 1B8712?
There are 22 known substitutes for 1B8712: 4426, SFP536A, HN1 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1B8712?
1B8712 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3462. 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