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Technical Data Sheet
PartsTable / COMPONENT / 1B8702
1B8702 ✓ 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: 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, key_height: 0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, shear_strength: 100000 SINGLE POUNDS PER SQUARE INCH, circle_diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-6749, 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
1B8702
NSN: 5315-00-010-6749
FSC: 5315
CAGE: K0190 — CATERPILLAR (UK) LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
thickness0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
key_height0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
shear_strength100000 SINGLE POUNDS PER SQUARE INCH
circle_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 3
NSN5315-00-010-6749
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1B8702 · 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: 0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
THICKNESS: 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 3
•
STARTING EDGE RADIUS: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
HARDNESS RATING: 10.0 ROCKWELL C NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STARTING EDGE SHAPE: ROUND
•
MATERIAL: STEEL COMP 1035 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
KEY HEIGHT0.198 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
THICKNESS0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 3
STARTING EDGE RADIUS0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
HARDNESS RATING10.0 ROCKWELL C NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STARTING EDGE SHAPEROUND
MATERIALSTEEL COMP 1035 OVERALL
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
106749Interchangeable
interchangeable cross-reference
interchangeable
X158Interchangeable
interchangeable cross-reference
interchangeable
7541002Interchangeable
interchangeable cross-reference
interchangeable
13516Interchangeable
interchangeable cross-reference
interchangeable
B5-59-402Interchangeable
interchangeable cross-reference
interchangeable
401069-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B8702?
1B8702 is a KEY,WOODRUFF.
What parts can replace 1B8702?
There are 33 known substitutes for 1B8702: 106749, X158, 7541002 and 30 more. Substitute compatibility should be verified for your specific system.
Is 1B8702 still available?
1B8702 is currently cancelled.
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Last verified: July 2026