PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 358BX
358BX ✓ 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 4130 OR STEEL COMP 8630 OVERALL, thickness: 0.1563 INCHES MINIMUM AND 0.1573 INCHES MAXIMUM IN, key_height: 0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, circle_diameter: 0.740 INCHES MINIMUM AND 0.750 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 5315-00-616-5523, 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
358BX
NSN: 5315-00-616-5523
FSC: 5315
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 8630 OVERALL
thickness0.1563 INCHES MINIMUM AND 0.1573 INCHES MAXIMUM IN
key_height0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
circle_diameter0.740 INCHES MINIMUM AND 0.750 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 8
NSN5315-00-616-5523
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 358BX · 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
•
CIRCLE DIAMETER: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
THICKNESS: 0.1563 INCHES MINIMUM AND 0.1573 INCHES MAXIMUM IN
•
STARTING EDGE SHAPE: STRAIGHT
•
MATERIAL: STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
•
STYLE DESIGNATOR: ROUND BOTTOM
•
KEY SIZE DESIGNATION: WOODRUFF 8
•
KEY HEIGHT: 0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CIRCLE DIAMETER0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THICKNESS0.1563 INCHES MINIMUM AND 0.1573 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OVERALL
STYLE DESIGNATORROUND BOTTOM
KEY SIZE DESIGNATIONWOODRUFF 8
KEY HEIGHT0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
10687315-3Interchangeable
interchangeable cross-reference
interchangeable
59359736941Interchangeable
interchangeable cross-reference
interchangeable
3258519Interchangeable
interchangeable cross-reference
interchangeable
A356Interchangeable
interchangeable cross-reference
interchangeable
C842924Interchangeable
interchangeable cross-reference
interchangeable
B130534Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 358BX?
358BX is a KEY,WOODRUFF.
What parts can replace 358BX?
There are 32 known substitutes for 358BX: 10687315-3, 59359736941, 3258519 and 29 more. Substitute compatibility should be verified for your specific system.
Is 358BX still available?
358BX is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026