PartsTable
Technical Data Sheet
B3858-8 ✓ 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. Key specifications include material: STEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL, thickness: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, key_height: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, circle_diameter: 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND BOTTOM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-616-5520, 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
B3858-8
NSN: 5315-00-616-5520
FSC: 5315
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
thickness0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
key_height0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
circle_diameter0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 11
NSN5315-00-616-5520
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B3858-8 · 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 HEIGHT: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
KEY SIZE DESIGNATION: WOODRUFF 11
MATERIAL: STEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
CIRCLE DIAMETER: 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
STARTING EDGE SHAPE: STRAIGHT
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THICKNESS: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STYLE DESIGNATOR: ROUND BOTTOM
TECHNICAL CHARACTERISTICS (FLIS)
KEY HEIGHT0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 11
MATERIALSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
CIRCLE DIAMETER0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THICKNESS0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BOTTOM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MS15607-3Interchangeable
interchangeable cross-reference
interchangeable
WL50Interchangeable
interchangeable cross-reference
interchangeable
4528Interchangeable
IBM 32GB (2x16gb) Memorydimms,1066mhz
interchangeable
72-6970-341Interchangeable
interchangeable cross-reference
interchangeable
20504-29Interchangeable
interchangeable cross-reference
interchangeable
895DUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy B3858-8?
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 B3858-8?
B3858-8 is a KEY,WOODRUFF.
What parts can replace B3858-8?
There are 22 known substitutes for B3858-8: MS15607-3, WL50, 4528 and 19 more. Substitute compatibility should be verified for your specific system.
Is B3858-8 still available?
B3858-8 is currently cancelled.
Community Feedback
Comments (0)
Loading comments...
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B3858-8