PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3B4631
3B4631 ✓ 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,COTTER is a the manufacturer industrial component. Key specifications include length: 0.469 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.059 INCHES NOMINAL IN, hole_diameter: 0.265 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, width_across_flats: 0.469 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 5315-00-010-3411, 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
3B4631
NSN: 5315-00-010-3411
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
length0.469 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.059 INCHES NOMINAL IN
hole_diameter0.265 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
width_across_flats0.469 INCHES NOMINAL IN
peripheral_shape_styleRECTANGULAR
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5315-00-010-3411
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3B4631 · 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
•
DIAMETER: 0.188 INCHES NOMINAL IN
•
UNDERLOOP LENGTH: 2.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.188 INCHES NOMINAL IN
UNDERLOOP LENGTH2.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
103408Interchangeable
interchangeable cross-reference
interchangeable
9X1123-16Interchangeable
interchangeable cross-reference
interchangeable
900810Interchangeable
interchangeable cross-reference
interchangeable
11X608Interchangeable
interchangeable cross-reference
interchangeable
3752815Interchangeable
interchangeable cross-reference
interchangeable
0901344-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 3B4631?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3B4631?
3B4631 is a PIN,COTTER.
What parts can replace 3B4631?
There are 27 known substitutes for 3B4631: 103408, 9X1123-16, 900810 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3B4631?
3B4631 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3411. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3B4631

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026