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R3856 ✓ 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 PIN,SCARIFIER TOOTH 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 5315-00-600-7725, 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
R3856
NSN: 5315-00-600-7725
FSC: 5315
CAGE: 81947 — PRECO INC (USA)
SPECIFICATIONS
Part NumberR3856
NSN5315-00-600-7725
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R3856 · 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 4
140170Interchangeable
interchangeable cross-reference
interchangeable
1400-79Interchangeable
interchangeable cross-reference
interchangeable
8H4059Interchangeable
Same NIIN cross-reference
interchangeable
17126P11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R3856?
R3856 is a PIN,SCARIFIER TOOTH.
What parts can replace R3856?
There are 4 known substitutes for R3856: 140170, 1400-79, 8H4059 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R3856?
R3856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-600-7725. 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