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Technical Data Sheet
PartsTable / COMPONENT / 1B8710
1B8710 ✓ 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 KEY,WOODRUFF is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3907, 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
1B8710
NSN: 5315-00-010-3907
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number1B8710
NSN5315-00-010-3907
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1B8710 · 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 26
C5315X14Interchangeable
interchangeable cross-reference
interchangeable
A5811Interchangeable
interchangeable cross-reference
interchangeable
637425Interchangeable
interchangeable cross-reference
interchangeable
203562-1Interchangeable
interchangeable cross-reference
interchangeable
219Interchangeable
interchangeable cross-reference
interchangeable
3219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B8710?
1B8710 is a KEY,WOODRUFF.
What parts can replace 1B8710?
There are 26 known substitutes for 1B8710: C5315X14, A5811, 637425 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1B8710?
1B8710 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3907. 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